If the tongue is fat, it does not cause discomfort and does not affect normal life, so there is no need for special treatment. If it is caused by acquired factors, it can be improved through diet and medication. 1. Dietary adjustments: reduce the intake of cold, spicy and other stimulating foods, you can eat walnuts, black beans, yams and other warming effect of food, in addition to staple foods, with appropriate dietary fiber, vitamin-rich vegetables, fruits, such as celery, cabbage, oranges and so on. 2. Medication: From the perspective of Traditional Chinese Medicine (TCM), the fat tongue may be caused by deficiency of kidney qi, so you can use Jin Gui Ren Qi Pills, Jisheng Ren Qi Pills, etc. under the guidance of your doctor to warm up the kidney yang. It may also be caused by weakness of the spleen. If the spleen is weak and the qi is weak, it is necessary to use drugs such as Ginseng Spleen Strengthening Pills and Radix Rehmanniae Pills to regulate and treat it, and to further find out the cause of the spleen deficiency.