A Phase I Study to Evaluate the Safety, Tolerability, Pharmacokinetics ，Pharmacodynamics of Oral SHR2150 in Healthy Subjects

Inclusion Criteria: 1. Signed informed consent. 2. Aged 18\~45. 3. Body weight ≥ 50 kg for male; ≥ 45 kg for female, body mass index (BMI) between 18 to 28 kg/m2 ( Including boundary value) . 4. Vital signs, physical examination, laboratory results are within normal range or considered not clinically significant. 5. Female subjects (including partner) of childbearing potential must be using a medically acceptable form of birth control. Exclusion Criteria: 1. Currently suffering from cardiovascular, liver, kidney, digestive, nervous, blood, thyroid or mental diseases. 2. Have severe infection, severe trauma or major surgical operations within 3 months. Plan to receive surgery during the trial and within two weeks after the end of the trial.. 3. 12-ECG test have clinical significant abnormality or the QT interval (QTc) \> 450 ms(male)/QTc)\> 460 ms(male) or\<300ms(female). 4. Screening for infectious diseases is positive (Including HBsAg, Anti-HCV, TPPA, Anti-HIV) 5. Suspected allergy to any ingredient in the study drug. 6. Have any drug that inhibits or induces liver metabolism within 1 month. 7. Any condition or disease that affects the absorption, metabolism, and/or excretion of the study drug judged by the investigator; 8. Treatment with immunosuppressant or interferon-containing drugs within 6 months of study drug administration; 9. Participated in clinical trials of any drug or medical device within 3 months before screening, or within 5 half-lives before screening; 10. Treatment with live(attenuated) vaccine within 2 months before taking the study drug or during the study or within 1 months after administration; 11. Had donated blood or blood transfusion≥ 200 mL within 1 months before taking the study drug or had donated blood or blood transfusion≥ 400 mL within 3 months prior to screening; 12. The average daily smoking ≥ 5 cigarettes within three months; the average daily alcohol intake in a month exceeds 15 g (15 g alcohol is equivalent to 450 mL beer or 150 mL wine or 50 mL low-alcohol); 13. Keep smoking, drinking alcohol or consuming caffeinated foods or beverages (more than 8 cups, 1 cup = 250 mL) 2 days before taking the study drug and during the study; and those who have special dietary requirements and cannot follow the unified diet; 14. History of drug abuse , drug dependence or drug screening test is positive; 15. Pregnant or lactating women; 16. Other conditions that the investigator believes the subject is not suitable.