Excessive underarm sweating may be caused by physiological factors such as the high temperature of the environment in which it is located, or it may be caused by diseases such as hyperhidrosis and body odor. Patients can be treated with general treatment, medication, physical therapy, surgery, etc. according to the cause of the disease. 1. Physiological factors: the high temperature of the environment, strenuous exercise, mental stress and other physiological factors may lead to too much sweat in the armpits, it is recommended to keep the environment at a suitable temperature and humidity, ventilation, wearing comfortable and breathable clothing, to maintain a smooth physical and mental state, to reduce the secretion of sweat in the armpits. 2. Hyperhidrosis: Hyperhidrosis may lead to too much sweat in the armpits, it is recommended that patients wear loose clothing, you can follow the doctor’s instructions for the external use of 20% to 50% aluminum chloride solution, urotropin solution and other antiperspirant drugs coated on the skin surface to inhibit sweat secretion. 3. Fox odor: Fox odor is also easy to lead to too much underarm sweating, patients should take regular baths, wear comfortable and breathable clothing, maintain underarm hygiene, comfortable and breathable, to alleviate the symptoms of too much underarm sweating. Non-invasive treatments such as gold microneedling or surgical removal of sweat glands can also be used as prescribed by the doctor to improve symptoms. There are many causes of excessive underarm sweating. After eliminating physiological factors, it is recommended to go to the hospital for examination and choose the appropriate way of treatment.