1



                                                                    Exhibit 23.2


               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


We consent to the reference to our firm under the captions "Selected Historical
Consolidated Financial Data of ALZA Corporation" and "Experts" in the Proxy
Statement of ALZA Corporation that is made a part of this Amendment No. 1 to
Registration Statement (Form S-4) and Prospectus of Johnson & Johnson for the
registration of shares of its common stock to be issued pursuant to the merger
of ALZA Corporation with a wholly owned subsidiary of Johnson & Johnson and to
the incorporation by reference therein of our report dated January 19, 2001,
with respect to the consolidated financial statements of ALZA Corporation,
incorporated by reference in its Annual Report (Form 10-K) for the year ended
December 31, 2000, and the related financial statement schedule included
therein, filed with the Securities and Exchange Commission.


                                                  /s/ Ernst & Young LLP
                                                  -----------------------------
                                                  Ernst & Young LLP


Palo Alto, California
May 10, 2001