Children with runny nose, cough and phlegm should first pay attention to the duration of illness and vital signs. If the duration of illness is short-term 3-4 days, then consider acute upper respiratory tract infection, can be treated with oral cold medicine and cough medication to relieve phlegm, cold medicines include anti-inflammatory granules and other proprietary preparations. Cough medicines include Chinese medicines such as anti-infectious granules, etc. Cough and phlegm medicines can be taken orally such as Etanercept or Mucosolvan. If the child has been ill for more than 5 days, and the cough continues to worsen, with poor mental status and shortness of breath, it is necessary to consult a specialist immediately for lung auscultation to rule out the presence of lower respiratory tract infections, such as pneumonia and bronchitis. In this case it is recommended to give nebulization treatment with antibiotics to avoid further aggravation of the child’s condition. Therefore, children’s cough and runny nose symptoms should be treated according to the specific condition and the course of the disease, to avoid a single oral medication, delaying the treatment of the child.