Men sleep at night when the legs sweat, usually caused by the following factors: a. If from the perspective of Chinese medicine this symptom belongs to the body deficiency or blood stasis caused by the male kidney deficiency or blood stasis will lead to the clinical symptoms and performance of easy leg sweating at night. The most common factor is hypoglycemic reaction, in the case of diabetes, hypoglycemia, there will be the phenomenon of easy leg sweating at night. 2, easy leg sweating at night is also related to endocrine metabolic disorders, hyponatremia, hypomagnesemia, there will be clinical symptoms and performance of leg sweating at night when sleeping. 3, when the lower limbs are infected, there will also be the clinical symptoms and performance of leg sweating at night. The clinical symptoms and manifestations of easy leg sweating will also occur when sleeping. 4. In patients with restrictive hyperhidrosis, easy sweating will also occur in the hands, feet and legs.