Perianal abscesses are acute infections that do not usually heal on their own. If it is not diagnosed and treated in a timely manner in the early stage, as the condition evolves, it can develop into an anal fistula secondary to infection of the surrounding soft tissues. Perianal abscess, generally caused by infection of the anal glands, is very prone to accumulation of feces due to anatomical characteristics, and infection can occur under certain triggers, such as constipation, diarrhea, and exertion, when resistance is reduced or bacterial pathogenicity is enhanced, sinusitis continues to develop, infection is enhanced, and a perianal abscess is formed. more than 95% of perianal abscesses are caused by sinusitis. In addition, hemorrhoid infection, ulcerative colitis, Crohn’s disease, and anorectal trauma can also cause perianal abscesses. Patients with perianal abscess also need to pay attention to changes in dietary structure on weekdays and develop good living habits. Avoid eating spicy and irritating foods, eat more fiber-rich foods, and keep the bowels open. Avoid sitting and standing for a long time, sitting for a long time can easily lead to the occurrence of perianal abscess.