Perianal fistula is a connection between the anal canal and the skin of the perineum. Anorectal fistulas are of various types, necessitating a deep understanding of anorectal anatomy for accurate management. Perianal fistulas have a prevalence of approximately 0.01% and predominantly affect young adults , with a male-to-female ratio of approximately 2:1. The St. James University Hospital classification, alongside Park's, offers comprehensive insight into the classification of perianal fistulas