Discomfort from systemic conditions, such as endocrine and metabolic disorders, vitamin B deficiency, and other causes, especially menopausal women often complain of irregular tongue pain. Mild tongue pain may also be caused by local irritation, such as sharp tooth tips, unsuitable bracket substrates, etc.; or two different metal restorations on the same side of the mouth, and the weak current stimulation generated when the upper and lower jaws are opposite each other. So, what are the dietary contraindications for patients with painful red tongue? The following is a brief introduction: 1, such as chewing gum, chocolate, tobacco, alcohol, coffee, hot food and spicy barbecue, fried products and other spicy stimulating food are some of the painful red tongue patients to avoid the diet. Because these foods are easy to trigger or aggravate the painful red tongue things. 2, some irritating condiments, such as chili, vinegar, ginger, onion, star anise, etc. is also painful red tongue patients in the diet to be avoided. Because these foods will not only induce pain, but also stimulate the ulcer surface, making it further expand. 3, painful red tongue patients in the diet to eat as little as possible rough and hard food, such as fried ribs, fried chicken legs, nuts and so on. Because these hard foods are easy to produce friction in the ulcer surface, aggravating the disease. 4, suffering from painful red tongue patients should be prohibited from eating ground food, such as minced bread, corn or potato chips, because these foods to grind easy to adhere to the ulcer surface, affecting the healing of the ulcer surface. 5, suffering from painful red tongue patients in the daily diet to avoid eating too hot food. In fact, in life, like boiling water or boiling soup does not kill the bacteria on the ulcer surface, and these will instead cause irritation. Therefore, waiting for food to cool to room temperature before eating is the best option.