Hyperhidrosis refers to the overproduction of sweat glands that exceeds physiological needs, and occurs in the axillae, palms, soles, head and face. The etiology of primary hyperhidrosis is not completely clear, but some believe it is related to daily stress; secondary hyperhidrosis can be secondary to the use of specific medications, endocrine disorders such as hyperthyroidism, and infectious diseases. Axillary sweating is a localized hyperhidrosis, mainly caused by excessive secretion of axillary sweat glands. In general, if it does not affect normal life, no special treatment is needed, usually pay attention to personal hygiene, diligent change can be. If necessary, patients can use medication, which is divided into oral and topical, should be used under the guidance of a professional doctor. Oral medications, such as atropine, have a certain antiperspirant effect and can be used for brief treatment; topical medications, such as alum solution and aluminum acetate solution, need to be applied with attention to rationing into low concentration to effectively stop sweating; in addition, patients can also use herbal prescriptions to regulate. Physical therapy includes water iontophoresis and superficial X-ray irradiation, which patients can also choose. Due to the specific location of facial hyperhidrosis, botulinum toxin injections may also be considered to stop sweating. Anticholinergic medications may also be considered. Clinical trials have confirmed that botulinum toxin is effective in treating facial hyperhidrosis, with a gradual onset of effect 3 to 5 days after injection, and the effect lasting 3 to 9 months.