When a child’s allergic cough does not go away for a long time, the allergens should be clarified. For irritating dust, gas, dust mites, food and medicines that are easy to cause allergy, children should be kept away from them in time, avoiding close contact to avoid aggravation of the symptoms. If they are already away from the allergens, they can be treated in the following ways. First, drug treatment: 1, oral: children allergic cough cough does not heal, can be prescribed oral antihistamine treatment, such as chlorpheniramine maleate, loratadine, cetirizine hydrochloride, ketotifen and so on. Can also be symptomatic compliance with the use of drugs to relieve cough, such as snake gall Chuanbei liquid, compound licorice oral solution, orange red phlegm cough liquid, etc.; 2, nebulizer inhalation: children with allergic cough cough for a long time, but also consider the use of medication nebulizer inhalation therapy, such as compliance with the use of salbutamol, aminobromine hydrochloride, etc., to help alleviate symptoms and treatment of the disease; 3, injectable medication: commonly used in clinics, aminophylline, doxophylline, etc., can be in the guidance of the doctor through intravenous injection treatment, which helps to relieve the symptoms and treatment of disease. Injections: Aminophylline and doxophylline are commonly used in the clinic, which can be injected intravenously under the guidance of doctors to help relieve children’s allergic cough. Second, Chinese medicine treatment: children’s allergic cough for a long time when the cough does not heal, but also in the professional medical institutions to choose Chinese medicine treatment, such as acupuncture, massage, moxibustion, gua sha, etc., but also help to alleviate the symptoms. Third, desensitization therapy: belonging to the specific immunotherapy, for children with chronic allergic cough, allergens can be detected, and desensitization therapy can be carried out if necessary, thus helping children to alleviate their symptoms. However, children under 5 years of age should not receive such treatment, and desensitization therapy has a certain degree of risk, should be carried out under the guidance of a doctor. Children with chronic allergic cough may suffer from other diseases such as pneumonia and bronchitis, so it is recommended to go to the hospital for checkups and targeted treatment. In daily life, children should pay attention to avoid contact with allergens, keep the indoor temperature and humidity appropriate, pay attention to ventilation, and promote indoor air circulation. Drink plenty of water, try to eat a light diet, avoid spicy, stimulating, cold food, moderate exercise, can help relieve the symptoms.