After coughing, the main diet should be light, avoid using greasy and heavy salt meals as well as sweet food, which may lead to thick phlegm not easy to cough out, and also take some cough and phlegm medicines orally For some elderly people and children with repeated coughs in autumn and winter, you can boil some autumn pear soup, pear water with some rock sugar and silver fungus can relieve the dryness of the respiratory tract, which is more beneficial to dry cough, if the cough is persistent and intense, according to different If the cough is persistent and severe, depending on the cause of the cough, appropriate oral medication should be chosen to treat the cough caused by the common cold, coughing phlegm can be chosen from western or traditional Chinese medicine containing phlegm-suppressing ingredients, such as Chuanbei Loquat Paste, which can dilute phlegm while suppressing cough and play a role in relieving cough and resolving phlegm. If it is a dry cough, you can choose dextromethorphan syrup, which is effective, and if it is more severe, you can apply a central cough suppressant containing codeine ingredients. In contrast, persistent, intractable, coughs need to be searched for an etiology, the most common being allergic cough, which requires searching for and avoiding exposure to allergies, and the onset of which can be treated with a combination of oral preparations containing antihistamines and bronchodilators, such as compound methoxynamine. Cough caused by gastroesophageal reflux requires the oral acid suppressant omeprazole. Even a portion of asthma, which can manifest as a persistent dry cough, is called cough variant asthma and requires inhaled glucocorticoids and bronchodilators. Coughing is a protective mechanism for the body to expel phlegm and bacteria and viruses. The improvement of coughing ultimately depends on the subsidence of the disease in our body, and if the cough is caused by a chronic disease, it must be treated continuously for a long time.