1. The age and sex distribution of the SUA of the Japanes people was the same as of the Caucasians. 2. The prevalence of gout was 0.4% of all the subjects, in adult male it was 1.2% and 76.4% in hyperuricemia above 10.0 mg/dl. 3. The incidence of a year throughout this population study was 0.02% per population. 4. Serum creatinine, body weight, height, age, urea-N, blood pressure and alcohol intake were strongly associated with SUA respectively. 5. Correlation analysis of SUA in familiar members showed the strong correlation between mother and son.