Cough with white foamy sputum is caused by wind-cold and bacterial infection of the bronchial tubes. This condition is mostly caused by sudden cold due to weather changes or cold showers. It is recommended to take medicine to treat wind-cold and cold. You can take compound aminoglutethimide tablets or aminoglutethimide capsules, as well as with compound licorice oral solution, bromhexine combination to actively treat. You also need to take Cefaclor capsules and Pudilan anti-inflammatory oral solution to treat respiratory tract infections. During the coughing period, it is important to drink more ice sugar stewed snow pear water and white radish water. In addition, using ginger soup to soak your feet can help to expel cold and treat colds. During this period, you must pay attention to keep warm and avoid large temperature differences between indoor and outdoor areas, and eat more digestible food.