Dietary contraindications for taking Chinese medicine, referred to as dietary contraindications. It refers to the contraindication of certain foods during the period of taking medicine, which is usually called “forbidden mouth” or “taboo mouth”. Generally speaking, patients should avoid eating cold, hot, oily, fishy and irritating foods during their medication. In addition, according to the patient’s condition, there are differences in dietary contraindications. For example, spicy, greasy, fried food should be avoided for hot diseases; fat, fat, animal offal, tobacco and alcohol should be avoided for cold diseases; pepper, chili, garlic and white wine should be avoided for hyperactive liver and Yang, dizziness and irritability; fried, sticky and indigestible food should be avoided for weak spleen and stomach; fish, shrimp, crab and other fishy and spicy stimulating food should be avoided for patients with sores and skin diseases.