The causes and mechanisms of asthma are very complex, the most important are genetic factors and allergenic factors, often asthma has a certain family genetic tendency, in the clinical causes of asthma attacks are as follows: 1, climate: in the spring or autumn when the temperature alternates between hot and cold, it is easy to trigger asthma; 2, emotional factors: when the mood fluctuations can also trigger asthma attacks; 3, food: when eating fatty, sweet, thick and greasy food, etc. is also an important factor in triggering asthma. The causes of asthma are very complex and can be examined and determined accordingly. Overall asthma is common allergic asthma, will be accompanied by allergic rhinitis and other symptoms. The treatment of asthma is also a long-term process, in fact, it is difficult to completely cure asthma, in clinical treatment is divided into the exacerbation period, remission period, the specific combination of drugs and other treatments.