The full name of asthma is bronchial asthma. It is primarily caused by a variety of inflammatory cells and cellular components involved in chronic airway inflammation. This chronic inflammation can lead to symptoms of airway hyperresponsiveness. The main symptoms present in patients are sudden attacks or exposure to certain irritating factors, leading to wheezing, shortness of breath, chest tightness, and coughing. These symptoms can improve either through medication or spontaneously without medication. A disease with these characteristics is called asthma. Generally, the occurrence of asthma is mainly due to genetic factors and exposure to external allergens. The disease is caused by a combination of internal and external factors. It is generally controllable but not curable, which is important to understand.