Chronic bronchitis primarily refers to a condition characterized by a frequent chronic cough, with the total duration of cough exceeding three months per year and recurring for two consecutive years. Through routine examinations, such as chest X-rays and pulmonary function tests, other conditions like pulmonary space-occupying lesions, bronchiectasis, tumors, tuberculosis, and asthma are ruled out. If the disease is predominantly characterized by coughing, it is referred to as chronic bronchitis. Chronic bronchitis is generally related to long-term exposure to smoke and dust. In terms of dietary support, traditional Chinese medicine believes that the lung is associated with the color white; therefore, it is suggested to consume more white-colored foods, which help to moisten the lungs, stop coughs, and transform phlegm. Foods such as lotus seeds, Job's tears, tofu, and Chinese yam are considered beneficial in the dietary treatment of chronic bronchitis.