There are many reasons why babies sweat on the head, the common ones are high metabolism, heat, vitamin and trace element deficiency, nutritional imbalance, hyperthyroidism, etc., which need to be treated after the cause is clear. Common causes and treatment 1, metabolism: infants’ metabolism is faster than that of adults, and infants are active, exercise a lot, the skin is tender, the distribution of blood vessels is more, will be the body heat out of the body, manifested as the skin surface evaporation of sweat increased, should be appropriate to reduce unnecessary activities, appropriate rest; 2, muffled fever: infants will also appear after sleep forehead sweating, because after sleep, the body a lot of heat production through the skin The sweat takes away the heat in the body, no special treatment is needed to help the baby heat dissipation in time; 3, vitamin and trace element deficiency: baby in the body lack of calcium and vitamin D, easy to appear the symptoms of forehead sweating, serious will cause rickets, it is recommended to go to the hospital to perform bone X-ray examination to confirm the cause of the disease. Treatment can be oral vitamin D and calcium supplements as prescribed by the doctor, daily nutrition, ensure sufficient milk, timely addition of complementary foods, adhere to daily outdoor activities, etc.; 4, unbalanced nutrition: the baby is in the developmental period, the body needs a variety of nutrients, nutritional deficiencies are easy to body sweating, it is recommended that the daily diet is balanced, to avoid a single food, resulting in infants lack of nutrition; 5, hyperthyroidism: manifested as The diet should be based on the principles of high calorie, high protein, high vitamin, moderate fat and sodium intake, and less food with high iodine such as kelp, nori, seaweed and algae food.