There are many causes of coarse and short auscultatory breath sounds, such as long-term smoking patients, patients with long-term dust exposure, patients with chronic bronchitis, chronic obstructive pulmonary disease, pneumonia, and upper respiratory tract infections, all of whom can have coarse auscultatory breath sounds, and the treatment of coarse breath sounds due to different causes is different. If patients have coarse breath sounds due to long-term smoking and long-term exposure to dust, they need to quit smoking and avoid exposure to dust. If patients have coarse breath sounds due to related respiratory diseases, they need to be treated accordingly, such as patients with acute bronchitis and pneumonia, they need to take targeted treatment according to the causative organisms, and patients with bronchiectasis and chronic obstructive pulmonary disease need to use comprehensive treatment such as anti-infection, expectoration and wheezing. It is important to identify the cause of the disease and make corresponding treatment according to the cause.