Children with small rice grain bumps on the body, like acne may be the manifestation of contact dermatitis, to do timely anti-allergy treatment, but also may be the manifestation of keratosis pilaris, do not have to do treatment, and at the same time, we should consider whether it is a viral infection, to do timely anti-viral treatment. 1. Contact dermatitis: patients should first avoid contact with allergens or irritants, and then use glycerine lotion to apply anti-itch, oral cetirizine, loratadine and other anti-allergy drugs. 2. Keratosis pilaris: this is a hereditary disease, with the age of the body bumps will slowly subside, without special treatment. If it affects the patient’s life, you can go to the hospital to do laser removal. 3. Viral infections: such as chickenpox, the course of the disease is self-limiting, the treatment is based on antiviral and symptomatic treatment. Early use of antiviral drugs can reduce the severity of chickenpox and shorten the course of the disease, children over 2 years old can use acyclovir. Symptomatic treatment includes reducing fever and relieving itching. Topical medications include glycerite lotion, and for secondary infections, antibiotic cream mupirocin ointment can be used. If the above symptoms occur, parents are advised to take their children to the hospital in time, to clarify the cause of early formal treatment, pay attention to the use of drugs under the guidance of the doctor, avoid unauthorized use of drugs.