Infants can get HFMD and the symptoms can be severe, but most infants with HFMD still have ordinary symptoms that do not lead to severe disease as long as they do not cause central nervous system lesions. The rash of the hands and feet usually does not affect the child to a minor or even life-threatening degree. The pain in the pharynx is due to the rash in the pharynx, which may cause the child to be unable to eat or drink. If intravenous rehydration is not given at this time, the child’s energy and water supply is not guaranteed, so intravenous rehydration is needed. The fever may be high and may even lead to febrile convulsions. If the body temperature is high, antipyretic drugs are also needed, while if the body temperature is not high, it is usually not a big problem. So the infant may get HFMD and it may become some serious disease, and after serious disease, even need to apply glucocorticoid, immunoglobulin and other drugs for treatment.