The more typical symptoms of HFMD are characterized by scattered herpes on the oral mucosa and maculopapular rash and herpes on the hands, feet and buttocks. HFMD is an acute infectious disease caused by enteroviruses, and it commonly affects children under 5 years of age. The main symptoms are fever, herpes and ulcers on the oral mucosa, hands and feet, cough, runny nose, loss of appetite, etc. Severe cases may show drowsiness, coma, headache and vomiting, shaking of limbs, etc., which may lead to dehydration, viral myocarditis, encephalitis and other complications. The treatment of hand, foot and mouth disease mainly lies in closely observing the changes of the condition, home isolation, giving ibuprofen, acetaminophen and other medicines to reduce fever according to the doctor’s instructions, soothing the child, trying to give the child cooler, easy-to-digest food to minimize the stimulation of the oral cavity, and consulting a doctor when the child develops drowsiness, unconsciousness and other serious conditions. Hand, foot and mouth disease generally has a good prognosis, it is recommended to follow the doctor’s instructions to actively treat the child, and closely observe the child’s condition changes.