Eating sweet, cold and greasy food will easily produce phlegm. If you have symptoms of phlegm or other symptoms, you should go to the hospital in time to see a doctor and get a clear explanation of the cause of the phlegm, and then give targeted treatment. 1. Sweets: common foods such as cream cakes, candies, etc., the five organs and the five flavors correspond to the sweet into the spleen, sweet is sweet, if too much sweet food, easy to damage the spleen and stomach, the spleen’s function of water and dampness is impaired, and thus the body is prone to phlegm and dampness of the evil. 2. Cold food: common food ice cream, cold drinks, long-term consumption of cold food is easy to damage the spleen and stomach. When the function of the spleen and stomach decreases, the spleen’s function of transportation and digestion is affected, thus causing phlegm-dampness. 3. Greasy food: greasy food is commonly fat meat, fried food, excessive consumption may damage the spleen and stomach, resulting in spleen deficiency, water and dampness run obstacles, easy to form phlegm-dampness. Therefore, usually eat more fresh vegetables and fruits. Try to eat less fried and greasy meat, and try to eat less food with high sugar content. In addition, drink more water and do not eat spicy food. Pay attention to keep warm, prevent cold.