The right lower abdomen against the back pain and loose stools and often fart, may be mental factors, intestinal flora imbalance, enteritis and other reasons. 1. Psychological factors: excessive mental tension, anxiety, stress, resulting in gastrointestinal dysfunction can lead to the lower right abdomen against the back pain, loose stools and farts. 2. intestinal flora imbalance: harmful bacteria in the intestinal tract is relatively large, after abnormal fermentation to produce a large amount of gas leading to flatulence, resulting in the lower right abdomen by the back pain loose stools and farts. 3. enteritis: the intestinal tract is infected by pathogenic bacteria, such as bacteria, viruses, etc. can lead to the lower right abdominal back pain, loose stools, fart and other symptoms. The right lower abdomen against the back pain, and loose stools, but also often fart, there may be other reasons, it is recommended to go to the hospital to find out the cause of the disease, and then treatment.