Cold foods include: 1. Grains, such as mung beans and barley; Second, vegetables, such as cabbage, white radish, celery, spinach, etc.; Third, meat, such as duck and pork; Fourth, seafood, such as crabs; 5. Fruits, such as watermelons and pears; Eating cold food is helpful for people with hot constitution to improve their constitution, while those with deficiency of spleen and stomach should not eat cold food to avoid aggravating symptoms.

Cold food is helpful to clear away fire and detoxify, and can be used as an auxiliary treatment for fiery disease. All the symptoms of excess fire, such as red face and red eyes, mania, delirium, stiff neck, erosion of mouth and tongue, swelling and pain of gums, thirsty mouth, liking cold drinks, short and red urine, dry stool, yellow and dry tongue coating, and rapid pulse, can be cooked and eaten as raw materials, which is helpful to clear fire and eliminate diseases.