Sweating on the forehead in summer is a normal phenomenon and generally does not need to be treated, keeping the area clean and reducing exercise. If forehead sweating increases abnormally, it may be caused by hyperhidrosis, and it is recommended to take general treatment and medication to improve it. 1. General treatment: for patients with hyperhidrosis, try to reduce strenuous exercise; when you go out, you can wear a sun hat to avoid direct sunlight, triggering sweating; in addition, you also need to pay attention to the skin clean, dry. 2. medication: patients can follow the doctor’s instructions for external antiperspirant, such as aluminum chloride solution, aluminum acetate solution, etc., with astringent, antiperspirant effect. Summer forehead sweating may be serious hyperhidrosis, it is recommended that patients go to a regular hospital to find out the cause, with the doctor for standardized treatment.