EXHIBIT 23.1



                       CONSENT OF INDEPENDENT ACCOUNTANTS

       We consent to the incorporation by reference in the Registration
Statement (Form S-8) pertaining to The Bradford Particle Design, plc Employee
Share Option Scheme of Inhale Therapeutic Systems, Inc. of our report dated
January 24, 2000, with respect to the financial statements of Inhale
Therapeutic Systems, Inc. included in its Amended Annual Report (Form 10-K/A)
for the year ended December 31, 1999, filed with the Securities and Exchange
Commission and our report dated January 5, 2001 with respect to the financial
statements of Bradford Particle Design plc included in Inhale Therapeutic
Systems, Inc.'s Current Report on Form 8-K filed with the Securities and
Exchange Commission on January 11, 2001.

/s/ Ernst & Young LLP
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Palo Alto, California
February 5, 2001