Rash in toddlers may be caused by rubella, measles, toddler’s emergency rash and other factors, which can be relieved by medication and other means. 1. Rubella: It is an acute respiratory inflammation caused by rubella virus, which can be clinically manifested as fever, rash and other symptoms. At present, symptomatic treatment is the mainstay, and drugs such as ibuprofen can be used to reduce fever, dextromethorphan to stop coughing and other treatments. 2. Measles: it is an acute respiratory inflammation caused by measles virus, which can manifest as fever, cough, rash and other symptoms. This disease is self-limiting, usually no treatment is needed to get rid of the rash, high fever symptoms can be relieved by oral ibuprofen and other drugs. 3. Acute rash in young children: It is a common rash disease in children caused by human herpes virus. The clinical manifestation is that infants and young children suddenly develop high fever and then suddenly go down, followed by the symptoms of rash. This is a self-limiting illness and the rash will subside without treatment. For fever, medications such as ibuprofen and acetaminophen can be used to reduce the fever. Young children with symptoms of rash, should be timely to the hospital, improve the relevant examination to clarify the cause of the disease, under the guidance of the doctor symptomatic treatment, avoid unauthorized use of drugs.