Tuesday April 4, 8:30 am Eastern Time

Company Press Release

Quality Systems' CEO Retires

TUSTIN,   Calif.--(BUSINESS   WIRE)--April   4,   2000--Quality   Systems   Inc.
(Nasdaq:QSII news) announced the retirement of its President and Chief Executive
Officer,  Sheldon  Razin,  whose  resignation  has been accepted by the Board of
QSII.

Razin  founded  the  company in the early '70s and has served as  President  and
Chief Executive Officer since that time. As part of a transition  program agreed
to in August 1999, Razin will remain as Chairman of the Board.

The Company also  announced  that Patrick  Cline,  executive  vice president and
president of Quality Systems' MicroMed Healthcare  Information Systems Division,
was appointed interim president and chief executive officer of the Company.

About Quality Systems

Quality  Systems  is  a  developer  and  provider  of  computer-based   practice
management and electronic  medical  records systems for medical and dental group
practices.

Contact:

     Quality Systems Inc., Tustin
     Robert G. McGraw, 714/731-7171
     www.qsii.com
             or
     Coffin Communications Group, Sherman Oaks, Calif.
     William F. Coffin or Sean Collins, 818/789-0100