In Chinese medicine, the red tongue without tongue coating is called red tongue without coating, this symptom indicates a heavy Yin deficiency, Yin deficiency people are mostly seen in young men and middle-aged women, but there are also other causes together. The red tongue and no tongue moss is considered by Chinese medicine to be caused by a large injury to the stomach yin, treatment should be based on nourishing yin and benefit the stomach, can be used to benefit the stomach soup to reduce the treatment, the diet is mainly light, appropriate to drink more water, no spicy and stimulating food. If a woman does not have a red tongue, it is necessary to combine the pulse to confirm whether the Yin deficiency is due to Yin deficiency, and to determine whether the Yin deficiency is combined with Blood deficiency or Yang deficiency, such as pale face, low menstrual flow and light color, then the Blood deficiency is combined with Blood deficiency, such as cold extremities, fear of cold, cold waist and so on, then the Yang deficiency is considered. Such symptoms may also be caused by deficiencies of trace elements and vitamins, which can be appropriately supplemented with B vitamins, or health supplements such as multivitamins. The red tongue without tongue coating can be caused by a variety of reasons, it is best to see a Chinese medicine doctor for comprehensive conditioning, do not eat spicy and stimulating food during treatment, do not smoke and drink, pay attention to maintain adequate sleep to help the body restore normal function.