Exhibit 23.1

                              ACCOUNTANTS' CONSENT

The Board of Directors
Celgene Corporation:

     We consent to  incorporation  by reference in the  registration  statements
(Nos. 333-70083,  33-21462, 33-38296, 33-62510, 333-91977 and 333-39716) on Form
S-8 and (Nos. 333-02517,  333-32115,  333-38861, 333-52963, 333-87197, 333-93759
and  333-94915) on Form S-3 of Celgene  Corporation of our report dated February
1, 2001,  which report is based in part on a report of other auditors,  relating
to the consolidated balance sheets of Celgene Corporation and subsidiaries as of
December  31,  2000  and  1999,  and  the  related  consolidated  statements  of
operations, stockholders' equity (deficit), and cash flows for each of the years
in the  three-year  period ended  December 31, 2000,  and the related  schedule,
which  report  appears in the  December  31, 2000 Annual  Report on Form 10-K of
Celgene Corporation.

                                                   /s/ KPMG LLP

Short Hills, New Jersey
March 16, 2001