The smell of alcohol in the stool without drinking alcohol is usually due to pathologic reasons, such as insufficient gastrointestinal power, intestinal flora imbalance, indigestion and so on. 1. Insufficient gastrointestinal power: insufficient gastrointestinal power leads to the digested food being difficult to push down, fermentation in the gastrointestinal tract to produce alcohol, appearing without drinking alcohol stools have a smell of alcohol. 2. intestinal flora imbalance: intestinal flora imbalance leads to intestinal absorption function problems, the digested food can not be fully absorbed, in the body of the fermentation of alcohol, there is no alcohol in the stool with the smell of alcohol. 3. indigestion: food digestion is not complete, resulting in food is difficult to be absorbed, accumulation in the body fermentation of alcohol, there is no drinking stools have a smell of alcohol. The reason for this is that you can’t determine the cause of the problem alone, but you need to combine it with your medical history and other test results to make an accurate judgment, so it is recommended that you clarify the cause of the problem under the guidance of your doctor and then carry out standardized treatment.