Small intestinal gas, i.e. small intestinal hernia, inguinal hernia, postoperative diet is based on light, easily digestible, laxative food. In the early stage after inguinal hernia surgery, it is recommended to take a liquid diet, such as rice porridge, noodle soup and so on. During the recovery period, the diet should not be too spicy and stimulating, mainly easy to digest, low-fat, low-cholesterol food, more vitamin and crude fiber-rich grains, bran, vegetables, fruits, etc., to maintain regular and smooth bowel movements; milk, eggs, soy milk and other foods that are easy to cause intestinal flatulence should be eaten as little as possible. There is no special requirements for diet after hernia surgery, the general principle is not to overeat, the diet should be nutritious, light, easy to digest, avoid spicy stimulation and greasy food, prevent constipation.