Phase I Single-dose Escalation Clinical Trial of Salvianolic Acid A Tablets

Inclusion Criteria: * 1\) Gender: male or female, healthy volunteers; 2) Age: 18\~45 years old; 3) Weight: Male subjects need to weigh ≥ 50kg, female subjects should have ≥ 45kg, body mass index \[BMI = weight (kg) / height 2 (m2)\] in the range of 19 \~ 25 kg / m2; 4) Subjects must give informed consent to the trial prior to the trial and voluntarily sign a written informed consent form; 5) The subject is able to communicate well with the investigator and is able to complete the trial in accordance with the protocol. Exclusion Criteria: * (1) Hepatitis B surface antigen, hepatitis C virus, human immunodeficiency virus and syphilis positive; (2) alcoholics; (3) subjects who took any drug or long-term use of drugs within 2 weeks before screening (4) Blood donors within 3 months prior to the trial; (5) participated in any drug clinical trial within 3 months prior to screening; (6) had a clear history of allergic disease; (7) had central nervous system, cardiovascular Systematic, kidney, liver, digestive tract, lung disease, metabolic and skeletal muscle system with a clear history or other significant disease; (8) pregnant, lactating women; (9) other factors not suitable for participation in the study.