Most chesty coughs are caused by bronchitis, asthma or allergies. Most clinical practice is to treat them in a Western medical way, mainly by targeting the cause as well as treating the symptoms, and patients are also advised to pay attention to diet, exercise and hygiene in their daily lives to improve their immune system. Common diseases that cause chesty cough are asthma, bronchitis, and allergic substances may also cause chesty cough. Bronchitis is a common and clinically very high incidence disease, mainly caused by bacterial and viral infections of the tracheobronchial tubes, mucous membranes, etc. Damage to the cough occurs, and severe symptoms of chest tightness can occur. Most chesty coughs are treated by Western medicine, which mainly focuses on the cause of the disease. Clinically, coughs caused by allergies can be treated with anti-allergy medications and inhaled hormonal medications. If the cough is caused by bronchitis, you can take cough medicines such as compound licorice tablets, and you can also use airway-dilating drugs such as procaterol and aminophylline to relieve the symptoms. Patients should get enough sleep, drink enough water, eat less spicy and stimulating food, and not eat too much salt. After the disease has improved, you can increase exercise appropriately to improve your immune system. In conclusion, in addition to medication for the treatment of chest congestion and cough, patients should also pay attention to their diet, exercise and improve their immunity in daily life.