Many lesions in the anus and rectum can cause the symptoms of meatballs inside the buttocks, including hemorrhoids, perianal abscesses and sinusitis. One of the most common is hemorrhoids, for the treatment of hemorrhoids, you should clean the anus through potassium permanganate lotion, or furnace glycolate lotion, and then apply hemorrhoid cream for treatment, commonly used hemorrhoid creams such as Ma Yinglong hemorrhoid cream as well as anal tide ointment. In addition, patients can also take Sophora pill orally with the treatment. If the meatball is caused by a perianal abscess, it needs to be treated by surgical incision and drainage, through which the abscess is cut open, so that the pus inside flows out, and after sufficient anti-inflammatory suture. If the meatball is a symptom of anal sinusitis, you can apply erythromycin ointment for anti-inflammatory treatment, and if long-term conservative treatment is ineffective, you can choose the surgical removal method for treatment.