Anal swelling does not usually lead to the emergence of exhaust, exhaust is mostly related to the accumulation of feces in the rectal area, indigestion and other factors. First of all, anal distension refers to the anal fall discomfort, and often accompanied by pain, anal moisture and other manifestations, the causes of which are mostly related to proctitis, hemorrhoids, rectal mucosal relaxation, anal sinusitis, rectal prolapse, rectal cancer and other diseases. Secondly, there is no direct correlation between anal distension and hyperventilation. Only when fecal matter accumulates in the rectal area or is caused by indigestion or excessive gas-producing bacteria, will there be hyperventilation and anal distension. If there is anal distension, accompanied by excessive gas, it is recommended to consult a regular hospital in a timely manner, under the guidance of a professional physician to carry out relevant examinations to rule out the diagnosis, for the primary disease causing anal distension and excessive gas to carry out targeted treatment, and comply with the doctor’s instructions to actively cooperate.