Drinking ginger porridge and black onion porridge after swimming can expel cold. 1. Ginger porridge, from the “Dietary Discussion”, the composition is five slices of ginger, a number of shallots with whiskers, the right amount of rice vinegar and fifty grams of round-grained rice. First take the ginger clean, and then pounded, green onion clean, spare. Then put the round-grained rice and ginger into the pot, add the right amount of water, cook. When the porridge is about to be cooked, add rice vinegar, green onion, and cook a little. Take it while it is hot, and then take the quilt cover, until the body slightly sweating is appropriate. Ginger congee can dispel cold and relieve vomiting and stomach warming, commonly used in external wind-cold surface evidence, for the heat of the person, the body of the Yin deficiency of internal heat, should be avoided; external wind-heat evils should be avoided. 2. scallion and black bean porridge, from the “Taiping Shenghui Fang”, is made of fifty grams of white onion, twenty grams of tempeh, fifty grams of round-grained rice, as well as ginger, pepper, salt and other condiments in moderation. Soak the tempeh in warm water for about twenty minutes, rinse and set aside. Then wash and chop the white onion and set aside. Then put the round-grained rice into the pot add water, martial arts fire boiling, simmering, in round-grained rice cooked add tempeh, scallion white, ginger and so on, continue to cook for about fifteen minutes can be. Take it in the morning and evening while it is hot. Congee with black beans and scallions can promote sweating and relieve symptoms, detoxification, and pass the yang. It is suitable for cold and flu, wind-cold symptoms. It is contraindicated for those who have external wind-heat infection. Medicinal diets cannot be equated with medicines and cannot play a role in treating diseases. If you feel unwell after swimming, you should go to a medical institution in time to avoid delaying your condition.