Scalp sweating may be a normal phenomenon caused by hot weather, or it may be caused by hyperthyroidism and other diseases, for female patients also need to consider the perimenopausal syndrome. 1. Hot weather: If the patient is located in a hot environment, it will lead to the phenomenon of severe scalp sweating, which is a normal physiological phenomenon. 2. Hyperthyroidism: Hyperthyroidism is caused by an overactive thyroid gland, and the patient’s main symptoms are weight loss, excessive sweating, agitation, irritability, and fatigue. In addition, hyperthyroidism will also lead to fever, hyperphagia, insomnia and other symptoms. 3. Perimenopausal syndrome: Perimenopausal syndrome is caused by the decline of ovarian function, and patients mainly manifest hot flashes, recurrent sweating, insomnia, dizziness and other symptoms. In addition, patients with perimenopausal syndrome will also experience symptoms such as agitation, anxiety, and menstrual changes. When patients experience severe scalp sweating, if it is caused by hot weather, no treatment is needed. If it is caused by a disease, the patient should seek medical attention and follow the doctor’s instructions.