Small white granules on a child’s face may be related to anhidrosis, pityriasis alba, and milia, which can be treated through physical therapy and the use of medication. 1. Sweat duct tumor: Sweat duct tumor lesions are small rice grains to mung bean size soft papules, the skin surface is slightly elevated, so small children’s face long white particles may be sweat duct tumor. This condition generally does not require special treatment, can be treated by electrocautery, carbon dioxide laser or liquid nitrogen freezing and other physical ways. 2. white chaff rash: if the children long-term exposure to ultraviolet light, vitamin deficiency or intestinal parasites, then it may cause facial white chaff rash, mainly manifested in the face of white particles, the surface can be covered with scaly dandruff, this situation can be used tacrolimus ointment, pimecrolimus cream and other drugs to deal with. 3. Corns: Corns are mostly due to the high temperature and sultriness, the material of the stratum corneum blocks the sweat ducts, so that the accumulation of sweat caused by the small children’s face can also lead to white particles. At this time can be used according to the doctor’s instructions compound phenylephrine clomid cream, glycerite lotion and other drugs. Children’s face long white particles, parents should take their children to the regular hospital examination, targeted treatment, pay attention to the use of drugs to follow the doctor’s instructions, do not self-medication, so as not to cause more serious consequences.