Children with asthma should be followed up regularly over time. The purpose is to better control asthma and improve the level of asthma prevention and treatment. 1. Asthma is a chronic and persistent disease, which needs to be checked for long-term, standardized and systematic treatment in order to control the disease in the best condition, reduce or even control the attacks and achieve the goal of enabling the patient to live a healthy and normal life. Regular follow-up visits, doctors will adjust the prevention and treatment plan appropriately according to the changes in the condition of the child. 2.The causes of asthma are very complicated, some patients can hardly figure out all the causes of asthma occurrence and recurrence at once after one or two visits to the doctor, so it is necessary to follow up and review regularly. As the treatment process goes on, the children themselves or their parents can discover some new causes according to the doctor’s instructions, and the doctor can also help the patients discover some causes or clues according to the complaints of the children or parents about the current status of treatment. 3.Regular follow-up visits can identify and solve problems in treatment in time, such as finding that the child cannot use the corresponding inhalation device correctly. 4. Regular follow-up visits can also strengthen the cooperation between the patient and the doctor, enhance confidence in controlling asthma, eliminate concerns, identify and solve problems early, and ensure the implementation of the asthma control plan. In addition, emphasis should be placed on keeping good medical records and providing accurate medical history information so that the doctor can have an accurate and comprehensive understanding of the condition.