In general, patients with chronic bronchitis can use immunoglobulin, but immunoglobulin injection is strictly prohibited for patients who are allergic to human immunoglobulin and those with other diseases. Chronic bronchitis is a kind of non-characteristic inflammation, which is mainly manifested by coughing, coughing sputum and wheezing. Generally speaking, patients with chronic bronchitis can be injected with immunoglobulin under the guidance of medical professionals according to the needs of their condition. However, it should be noted that immunoglobulin is contraindicated in patients with chronic bronchitis who are allergic to human immunoglobulin or have a history of other severe allergies. Chronic bronchitis patients who are using hormonal drugs, such as prednisone, betamethasone, etc., combined with severe asthma attacks, urticaria, etc., should also not be injected with immunoglobulin.