Tongue can not be used as a diagnostic basis for the disease, it is only a physical manifestation, with uremia has little to do. Tongue mark is usually the patient is too obese, resulting in the tongue body is fat, the edge of the tongue by the teeth pressure and appear teeth marks; but there is also the tongue body is not big and the edge of the phenomenon of teeth marks, this situation is congenital teeth marks. It should be noted that the tongue can also reflect the function of internal organs, teeth marks tongue is usually caused by weak spleen qi (spleen qi weakness), water and dampness are not transformed; you can eat more easy to digest food to reduce the burden on the spleen and stomach. Uremia can be examined by blood test, urine test and renal ultrasound; it is mainly characterized by symptoms such as low urine volume and difficulty in urination. Usually, teeth marks on the tongue are not a diagnostic basis for UTI. If patients feel unwell, they should go to the hospital for examination.