According to Chinese medicine, acne is mostly caused by the fumigation of the lung meridian on the skin, which does not disperse; or by over-eating thick and spicy food, the spleen and stomach contain dampness and heat, which fumigate the lungs and offend the skin. Therefore, in terms of diet, we should pay attention to the “four less a more”. A less food high-fat food. High-fat foods are metabolized in the body and can generate a lot of heat, making internal heat worse. Therefore, must eat less such as lard, cream, fat, pig brain, pig liver, pig kidney, etc.. Second, eat less fishy things. Fishy hair things can often cause allergies and lead to disease aggravation or relapse, often make the sebaceous glands and hair follicles around the chronic inflammation expanded and difficult to cure. Especially seafood, such as sea eel, sea shrimp, sea crab, scallops, etc. The meat of the hot products are also hair, such as mutton, dog meat, etc., can make the body heat congestion and aggravate the disease. Three less high sugar food. When the human body eats foods high in sugar, the body’s metabolism will flourish and the secretion of sebaceous glands will increase, thus making acne appear continuously. Such as white sugar, icing sugar, brown sugar, glucose, chocolate, ice cream, etc. Fourth, eat less spicy products. This kind of food is hot in nature and can easily raise fire after eating it. Acne sufferers are internally hot, so eating this kind of food is undoubtedly fueling the fire. One more means eating more vegetables and fruits. Such as mushrooms, fungus, celery, bitter melon, cucumber, loofah, winter melon, tomatoes, tofu, lotus root, watermelon, pears, hawthorn, apples, and so on. At the same time, diet should be regular and quantitative, do not crave cold drinks, to maintain normal gastrointestinal function is more important to prevent the occurrence of acne. Here is a simple recipe for patients’ reference: Job’s barley and mung bean soup: 20 grams of mung beans and 50 grams of barley. Cook the two things together into a porridge. Take it twice a day. This recipe has the effect of clearing heat and dampness and clearing the internal organs.