Viral rash is a general term for viral skin diseases caused by a variety of viral infections. Hundreds of viruses have been clinically identified that can cause skin rashes, and it is currently believed that measles, rubella, infectious erythema, and also groups of enteroviruses are the main causes of viral rashes. The occurrence of viral rashes is usually concentrated in crowded places, such as elementary school, kindergartens and other areas, mostly in infants and young children, viral rashes occur when the more contagious. Infants and toddlers are easily infected when virus rash occurs due to their weaker body resistance and the fact that some of them are not vaccinated. When infants and young children are infected with the virus, a red rash and papules appear on the skin, accompanied by fever, sore throat, upper respiratory tract infection, conjunctivitis, abdominal pain, diarrhea, and loss of appetite. When these symptoms occur, the patient should go to the hospital immediately to find out the cause of the disease and treat the symptoms with medication.