Most patients with bronchial asthma can get good control of their asthma symptoms through regular treatment. There are many things that need to be paid attention to while regular medication is given to asthma patients, among which there are some contraindications to asthma, and now we summarize these situations as follows: 1. repeated exposure to allergens, such as occupational asthma patients, if not removed from the allergic environment, asthma is difficult to be controlled. 2. not inhaling glucocorticoids, just inhaling bronchodilators for treatment, sometimes just inhaling bronchodilators may enable asthma symptoms to be controlled to some extent. However, because the airway inflammation of asthma still exists, these patients are prone to severe asthma. 3.Oral hormone therapy, some asthma patients believe in the so-called prescriptions, Chinese medicine, in fact, most of these drugs contain glucocorticoids, oral glucocorticoids may be able to control asthma symptoms, but the side effects of hormones are also very terrible. 4.Recurrent respiratory infections, viral and mycoplasma infections of the respiratory tract It is one of the most common causes of acute asthma attacks, and repeated asthma attacks are not conducive to the control of the disease.