The tongue is fat with teeth marks, mostly due to cold and dampness trapped in the spleen or kidney yang deficiency and water flooding, etc. The specific causes also need to be combined with the patient’s other symptoms to decide. 1. Cold and dampness trapped spleen, clinical manifestations for the epigastric distension (abdominal feeling bloated and uncomfortable), greasy mouth and dull (no appetite, less food), nausea and vomiting (nausea and vomiting), light mouth, no thirst, abdominal pain and loose stools (feces sparse and unshapely), head and body heavy (head and limbs heavy feeling), or short urine, limbs swollen, tongue fat and pale, with teeth marks on the side, and so on. 2. Kidney yang deficiency water flooding, clinical manifestations of cold limbs cold, edema, below the waist is very, abdominal distension, lumbar cold, short urine, tongue pale fat, edge of the teeth marks, and so on. If the symptoms of tongue fat with teeth marks are not relieved for a long time or accompanied by other discomforts, consult a doctor in a timely manner to identify the causes and carry out targeted treatment.