The objective of the study is to assess the tolerance, pharmacokinetic and pharmacodynamic properties of multiple dose adminstration of SHR4640 in healthy volunteers.

Inclusion Criteria:

1. Age between 18 and 55, male;
2. Body weight≥50, BMI:19-25kg/m2;

3.4 mg/dL≤Screening serum urate level≤7 mg/dL;

4.Medically stable based on physical examination, laboratory results, vital sign measurements, 12-lead electrocardiogram, abdomen B-ultrasound and Chest X-ray examination at screening.

Exclusion Criteria:

1. Serum creatinine>upper limits of normal(ULN);
2. Alanine aminotransferase and/or Aspartate aminotransferase>2×ULN, total bilirubin>1.5×ULN, glutamyltransferase>3×ULN;
3. History of hyperuricemia or gout;
4. History or suspicion of kidney stones;
5. Positive results for hepatitis B surface antigen, hepatitis C antibody, HIV antibody, syphilis antibody test.