Hair loss in children generally refers to hair loss in pediatric patients, especially in infancy. It is different from the normal physiological hair loss in newborns and is an abnormal hair loss condition. The common hair loss in pediatric period is acquired alopecia, mostly due to shock, fear or nutritional imbalance, which causes metabolic disorders and endocrine disorders in the body, resulting in hair loss. 1, calcium deficiency and zinc deficiency: calcium deficiency, the child will be accompanied by obvious night sweating serious, hair loss is more serious, especially easy to form occipital baldness, poor sleep, easily irritable, while prone to rib cage exostosis, severe cases are prone to chicken chest, rotund legs, with square Lu situation; zinc deficiency, the child is accompanied by obvious picky anorexia, easy to get sick, these cases of hair loss, often more uniform, such as occipital baldness or If the child has a zinc deficiency or a calcium deficiency, the child can be given the appropriate supplements. For example, supplementing pediatric DiQiao calcium carbonate granules, along with vitamin D to promote calcium absorption, zinc deficiency can be supplemented with lysine glucose zinc, diet eat more milk, eggs, shells and lean meat is conducive to zinc and calcium. 2, fungal infection: children sweat more, cleaning is not timely will easily lead to the occurrence of fungal infection, so it is easy to appear sweat spots, resulting in the destruction of hair follicles, thus causing plaque type of hair loss, often this time also accompanied by dander, treatment, you can use antifungal drugs, such as miconazole nitrate cream.