Red spots on young children’s bodies without pain or itching may be caused by allergic reactions, viral rashes, allergic purpura and so on. Timely identification of the cause of the disease, can be targeted treatment. 1. Allergic reaction: young children’s skin is relatively delicate, easy to external stimuli and lead to skin diseases, may be food allergies, drug allergies or hot and cold stimuli caused by, such as allergic urticaria, eczema, dermatitis, etc., you can use glycerine lotion coated. 2. Viral rash: If it is not itchy and accompanied by fever, it is considered viral rash, which requires timely antiviral treatment, such as acyclovir cream and other drugs. 3. allergic purpura: mainly in the lower limbs, hemorrhagic spots, need to go to the hospital to take blood tests, blood, urine routine to further determine the cause of the disease, anti-allergy and regulate the immune treatment. It is recommended to pay more attention to the child’s health, do not self-medication, timely hospitalization, under the correct guidance of the doctor’s medication.