1. Physiological hyperhidrosis, physiological hyperhidrosis, baby hyperhidrosis is mostly normal. For example, the summer climate is hot and causes hyperhidrosis in children; When infants and young children just fall asleep, they sweat on their heads and necks, and then sweat decreases after they fall asleep. Baby games, baby wears too much clothes in winter, and the quilt is too thick at night, which makes the baby overheat and sweat more. Some babies sweat only on the head and forehead, commonly known as "steamer head", which is also physiological sweating, so parents don't have to worry.

2. Pathological hyperhidrosis is characterized by sweating a lot when you are quiet or fall asleep at night. Sweating can wet pillows and clothes, which is called "pathological sweating". Such as active rickets in infants, active tuberculosis in children, overdose of antipyretics and mental factors, such as excessive excitement and fear. Some babies have endocrine diseases (such as hyperthyroidism, etc.), which can also cause pathological sweating. In addition to sweating, there are many other symptoms of each disease. Parents need to take their baby to the hospital for further examination.