Moderate masturbation does not usually cause hand tremors. Moderate masturbation has no effect on your health and is a normal way to release sexual stress. However, if you masturbate too often, it may lead to impotence, premature ejaculation, urethritis, prostatitis and other urinary and reproductive system diseases. In addition, there are many reasons for hand trembling, physiological or pathological may lead to hand trembling, if it is physiological reasons such as emotional excitement or fear, stress and other causes of hand trembling, to be emotional calm, stress relief can return to normal. If it is pathological causes such as Parkinson’s syndrome, hyperthyroidism and other diseases that lead to hand trembling, you need to pay attention to the hospital for examination and treatment.