Symptoms of pimples in the fart groove may be due to diseases such as hemorrhoids, boils or folliculitis, and the cause should be identified in a timely manner. 1. Hemorrhoids: the most common anorectal disease, external hemorrhoids can be manifested in the perianal area as pimple-like meatballs, through the visual diagnosis and fingerprinting can generally be clearly diagnosed, should avoid constipation, long-term squatting, standing and other poor posture, if necessary, can be surgically removed. 2. Boils or folliculitis: mostly caused by hair follicles and their surrounding soft tissue infections, the causative organism is staphylococcus bacteria, such as in the buttock groove can be manifested as a pimple, with obvious redness, swelling, heat and pain, and anti-infective treatment is given when necessary. If the symptoms of pimples on the buttock groove, you should first clean the affected area, change underwear diligently, if there is no significant improvement, it is recommended to consult a doctor in time to find out the cause.