Growth and development is a complex physiological process. In addition to genetic, endocrine, nutritional, and psychosocial factors, chronic diseases are an important factor affecting growth and development. Asthma will not affect the growth and development of most children. However, if a child has frequent asthma attacks and is not treated effectively, his growth and development will be affected and his physical development will be slow, and his height and weight will be lower than normal children of the same age. If the correct and effective treatment is given, the growth and development of the child will not be affected and the child will grow up as healthy as a normal child. The effect of bronchial asthma on growth and development is closely related to the age of onset, the course of the disease and the degree of the disease; the younger the age of onset, the longer the course of the disease and the more severe the disease, the more obvious the effect on growth and development.