The bioavailability of compound lisinopril tablets (specification: lisinopril 10mg / amlodipine 5mg) developed by Sichuan shangrui biomedical Co., Ltd. was compared with that of reference compound lisinopril tablets (specification: lisinopril 10mg / amlodipine 5mg) produced by Hungary Gedeon Richter Pharmaceutical Co., Ltd.The bioequivalence of single dose of test preparation and reference preparation was evaluated in heathy subjects under fasting and fed conditions.

Inclusion Criteria:

- 1.Healthy male and female aged over 18years 2.Subjects willing to provide written informed consent and to adhere to protocol requirements 3.Subject's weight within normal range according to normal values for Body Mass Index (19.00 to 26.00 kg/m2 (both inclusive)), males with minimum of 50 kg weight, females with minimum of 45kg weight.

4.Subjects have not clinically significant abnormalities, including vital signs, physical examinations, laboratory tests, and ECG as determined by clinical examination

Exclusion Criteria:

• 1.History or presence of significant cardiovascular, Urogenital, pulmonary, hepatic, renal, gastrointestinal, endocrine, immunological, dermatological, neurological or psychiatric disease or disorder 2.Allergic constitution(Allergic to two or more substances) or hypersensitivity to investigational product 3.History or presence of significant gastrointestinal inflammation /ulcer. or other medical history affecting drug absorption 4.Use of any drugs or herbal medicine within 14 days prior to the first dose 5.Can not follow approved birth control methods (a double barrier method) from the screening（Female subjects from two weeks prior to the screening） till 3 months after the last dose