Fishy bowel movements generally consider the following factors: 1, eat a lot of high-protein, high-fat food, will cause the food in the body can not be completely digested, absorption, there will be fishy stools; 2, the spleen and stomach function is weak, it can lead to the intestinal peristalsis becomes slower, digestive disorders caused by food residues in the body can not be discharged in a timely manner, after a longer period of accumulation, this situation will occur; 3, the Long-term application of antibiotics caused by dysbiosis, in the diet need to pay more attention to these cases, it is recommended that the usual light diet, appropriate exercise to promote gastrointestinal peristalsis, you can also take oral probiotics to relieve the symptoms, usually maintain a good mood; 4, gastrointestinal bleeding, inflammation of the colon, rectum, polyps, tumors, etc. will appear fishy stools, it is recommended to go to the hospital as soon as possible to check, in order to clearly diagnose .