Insufficient lung capacity is the main cause of lack of breath. Patients can improve the symptoms of insufficient lung capacity by exercising lung capacity, such as blowing balloons, whistling, deep inhalation and slow exhalation, which are all helpful for exercising lung capacity and improving the lack of lung capacity. In addition, you also need to exercise, exercise is also helpful to improve lung function and lung capacity. In addition, you can take Chinese herbal medicine to strengthen the qi and spleen, which is also good for improving the lack of middle qi, you can ask the doctor to identify the evidence and guide the use of medicine.