Mild bronchiectasis can be controlled with aggressive treatment and effective infection prevention, so don’t worry too much. Bronchiectasis refers to abnormal dilatation of the bronchial walls caused by the destruction of muscle or elastic tissue. Mild bronchiectasis is often characterized by coughing, coughing up purulent sputum, and a small amount of blood in sputum, etc. Some patients with mild disease may show occasional onset or even no symptoms. Active treatment of the primary disease is the hope of controlling bronchiectasis, such as timely and regular anti-tuberculosis treatment, and minimize the fibrous residual lesions, remove the foreign body to release the airway obstruction, etc. can effectively block the development of bronchiectasis, and at the same time in daily life to avoid catching a cold, appropriate exercise, improve immunity, to avoid recurrent upper respiratory tract infections. In the case of combined infection, it is necessary to actively control the infection and actively resolve sputum. It is recommended that patients with bronchiectasis should consult a doctor in time when they feel unwell, and follow the doctor’s instructions for active treatment, so as to avoid delays in the condition of the patient.