摘要:Depression, An illness that involves the body, mood, and thoughts, that affects the way people eats and sleeps, the way one feels about oneself, and the way one thinks about things. Traditional treatment for depression was pharmacological treatment. One alternative that has been shown to be effective in alleviating depression is physical activity. Previous observation and interventional studies have suggested that regular aerobic exercise reduced symptoms of depression. Moreover physical activity and exercise in water may have some beneficial effects on mood. Depression can strike anyone, but people with diabetes, a serious disorder that afflicts an estimated 16 million Americans, may be at greater risk. However the purpose of this investigation was study effect of moderate swimming exercise on depression in patients with type 2 diabetes. Therefore among 350 patients with type II diabetes who had answered the Back questionnaire, 60 samples who had obtained over 18 scores, were selected for participation in this study. Participants divided in swimming and control groups randomly. Experimental groups exert crawl swimming training for 8 weeks. The results showed that there are significant differences between experimental and control groups after eight weeks swimming exercise for depression (P >0.05)