Abstract
We have studied the habit of exercise of 84 subjects with Diabetes mellitus undergoing human dry dock. The blood sugar level of 75gOGTT were improved in 41 subjects (48.8%)compared with the last year.6 subjects were acquired the new habit of exercise (5: walking,1: swimming). Remaining subjects were not acquired any habit of exercise, but they have the lifestyle with active walking and active daily life. It was proved that progress of diabetes mellitus was prevented by the “lifestyle walking”.