FORM 6-K

                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                       Report of Foreign Private Issuer

                       Pursuant to Rule 13a-16 or 15d-16
                       of the Securities Exchange Act of
                                     1934


                               March 16, 2006

                       Commission File Number 001-14978


                              SMITH & NEPHEW plc
                              (Registrant's name)


                                15 Adam Street
                           London, England WC2N 6LA
             (Address of registrant's principal executive offices)


     [Indicate by check mark whether the registrant files or will file annual
reports under cover Form 20-F or Form 40-F.]

               Form 20-F  X                   Form 40-F
                         ---                            ---

     [Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(1).]

               Yes                            No  X
                   ---                           ---

     [Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(7).]

               Yes                            No  X
                   ---                           ---

     [Indicate by check mark whether by furnishing the information contained
in this Form, the registrant is also thereby furnishing information to the
Commission pursuant to Rule 12g3-2 (b) under the Securities Exchange Act of
1934.]

               Yes                            No  X
                   ---                           ---

     If "Yes" is marked, indicate below the file number assigned to the
registrant in connection with Rule 12g3-2 (b) : 82- n/a.





                                  SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                                 Smith & Nephew plc
                                                 (Registrant)


Date: March 16, 2006
                                                 By:   /s/ Paul Chambers
                                                       -----------------
                                                 Paul Chambers
                                                 Company Secretary




NOTIFICATION OF TRANSACTIONS OF DIRECTORS, PERSONS DISCHARGING MANAGERIAL
RESPONSIBILITY OR CONNECTED PERSONS

This form is intended for use by an issuer to make a RIS notification required
by DR 3.1.4R(1).

(1)      An issuer making a notification in respect of a transaction relating to
         the shares or debentures of the issuer should complete boxes 1 to 16,
         23 and 24.
(2)      An issuer making a notification in respect of a derivative relating the
         shares of the issuer should complete boxes 1 to 4, 6, 8,13, 14, 16, 23
         and 24.
(3)      An issuer making a notification in respect of options granted to a
         director/person discharging managerial responsibilities should complete
         boxes 1 to 3 and 17 to 24.
(4)      An issuer making a notification in respect of a financial instrument
         relating to the shares of the issuer (other than a debenture) should
         complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24.



Please complete all relevant boxes should in block capital letters.



1. Name of the issuer



Smith & Nephew plc



2. State whether the notification relates to (i) a transaction notified in
accordance with DR 3.1.4R(1)(a); or

(ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 (as
extended by section 328) of the Companies Act 1985; or

(iii) both (i) and (ii)



(i)



3. Name of person discharging managerial responsibilities/director

Paul Williams



4. State whether notification relates to a person connected with a person
discharging managerial responsibilities/director named in 3 and identify the
connected person

N/A



5. Indicate whether the notification is in respect of a holding of the person
referred to in 3 or 4 above or in respect of a non-beneficial interest

Paul Williams



6. Description of shares (including class), debentures or derivatives or
financial instruments relating to shares

Ordinary shares of US$0.20 per share



7. Name of registered shareholders(s) and, if more than one, the number of
shares held by each of them

Greenwood Nominees Limited, as nominee for Abacus Corporate Trustee Limited



8 State the nature of the transaction

Acquisition of shares



9. Number of shares, debentures or financial instruments relating to shares
acquired

4,700



10. Percentage of issued class acquired (treasury shares of that class should
not be taken into account when calculating percentage)

Less than 0.01%



11. Number of shares, debentures or financial instruments relating to shares
disposed



.....................................



12. Percentage of issued class disposed (treasury shares of that class should
not be taken into account when calculating percentage)



.....................................



13. Price per share or value of transaction

516 pence per share



14. Date and place of transaction

14 March 2006



15. Total holding following notification and total percentage holding following
notification (any treasury shares should not be taken into account when
calculating percentage)

44,166



16. Date issuer informed of transaction

14 March 2006



If a person discharging managerial responsibilities has been granted options by
the issuer complete the following boxes



17 Date of grant

13 March 2006 - Grant of Executive Share Options, Performance Share Plan and
Co-investment Plan Awards

14 March 2006 - Award of nil cost options over Loyalty Award Shares under Long
Term Incentive Plan.



18. Period during which or date on which it can be exercised

LTIP nil cost options - 14 March 2006 - 13 March 2013

Executive Share Options, Performance Share Plan and Co-investment Plan awards -
13 March 2009 - 12 March 2016



19. Total amount paid (if any) for grant of the option



20. Description of shares or debentures involved (class and number)

6,218 Ordinary shares of US$0.20 each - LTIP Nil Cost Options

40,272 Ordinary shares of US$0.20 each - Executive Share Options

30,204 Ordinary shares of US$0.20 each - Performance Share Plan

8,054 Ordinary shares of US$0.20 each - Co-investment Plan



21. Exercise price (if fixed at time of grant) or indication that price is to be
fixed at the time of exercise

Executive share options - 514 pence



22. Total number of shares or debentures over which options held following
notification

258,063



23. Any additional information

Grant of Nil Cost Options by the Trustees of the Smith & Nephew Employees Share
Trust in respect of the Loyalty Bonus Awards for 2001 LTIP Award

Acquisition of 4,700 shares by Abacus Trustees in respect of the Co-investment
Plan award



24. Name of contact and telephone number for queries



Phil Higgins -Assistant Company Secretary - 020 7960 2228



Name and signature of duly authorised officer of issuer responsible for making
notification



Phil Higgins - Assistant Company Secretary



Date of notification



15 March 2006