There are not many babies with sweaty backs, most of them are seen clinically or outpatients are older elders who bring their babies and tell you very carefully that babies always have sweaty backs, so usually explain to grandparents to drink more water, to open windows and ventilation, to wear cotton underwear for babies, grandparents do not often bathe their babies for fear of getting cold, but bathing is important, when babies wear cotton underwear and sweat a lot. You can rub some talcum powder. In addition, the baby may be qi deficiency, qi deficiency of the baby can eat some medicine to supplement the qi, such as princely ginseng, astragalus in Yu Ping Feng San, etc., take a period of time the symptoms can be significantly improved.