The white tongue with teeth marks bloating constipation need to consider physiological causes and pathological causes. Physiological causes include irregular diet, cold, etc. Pathological causes include functional dyspepsia, gastritis, enteritis, intestinal tract swelling, etc. 1. Physiological causes: such as irregular diet, cold, etc. can affect the digestion and absorption function of the gastrointestinal tract, thus causing discomfort. 2. Pathological causes: functional dyspepsia can also have belching (hiccups), loss of appetite and other symptoms; gastritis can also have acid reflux, stomach pain and other symptoms; enteritis can also have diarrhea, abdominal pain and other symptoms; intestinal masses can also have fatigue, lethargy and other symptoms. For the case of white tongue with teeth marks, bloating and constipation, it is recommended to consult a doctor with the necessary tests to clarify the cause.