Unshaped stools and fart stink, do not exclude the influence of diet, but also may be related to the impact of other factors, as follows: 1. Diet: For example, some stimulating foods, like onions, ginger, garlic, onions and other excessive intake, there may be a similar situation. In addition, some patients with excessive intake of soy and dairy products may also experience the symptoms. There is also overeating, eating faster, or talking a lot every time you eat, which may also cause a similar situation. 2, other factors: may also be related to physical factors, as well as mental and psychological factors, or abdominal cold, eating too many cold things, or even the presence of irritable bowel syndrome, gastrointestinal dysfunction, and the presence of gastroenteritis and other related conditions, may also appear similar symptoms. Therefore, it is necessary to make a comprehensive analysis by combining medical history, symptoms, signs and some auxiliary examinations, so as to clarify what kind of condition it is.