Common knowledge of children's common diseases prevention in spring: wash hands frequently and ventilate frequently, and avoid going to public places where people gather and the air circulation is poor during the epidemic. Children with related symptoms should go to regular medical institutions in time.

Transmission route: it is mainly transmitted by droplets in the digestive tract or respiratory tract, and it may also be infected by contact with herpes fluid of patients' skin and mucosa.

Main symptoms: fever symptoms first, maculopapules and herpes on palms and soles (redness around rash), herpes and/or ulcers on oral mucosa, and obvious pain. Some patients may be accompanied by cough, runny nose, loss of appetite, nausea, vomiting, headache and other symptoms. A few patients are seriously ill and may be complicated with encephalitis, meningitis, myocarditis and pneumonia.