The sweating in the elderly may be related to heart disease, hypertension, hyperthyroidism, etc. The elderly have weakened body functions in various aspects and may suffer from multiple diseases at the same time, so a comprehensive physical examination is needed to clarify the cause of the disease and provide accurate treatment. The main tests are electrocardiogram, chest ultrasound, blood pressure, blood sugar and routine blood tests. It is recommended that elderly patients should actively cooperate with the treatment, and control their emotions, regularly go to the hospital to review their condition and treat any discomfort in time. You can enhance nutrition, but should not eat heavy oil, fat and cholesterol-rich food, try to eat light, healthy and easy to digest food.