The outline of Tripod Turnstile is formed after pressing the stainless steel plate. The shape is featured as pleasing appearance, good looking, stainless and durable. The system is provided with a standard electric interface and is easily integrated into the equipment with read/write facilities such as magnetic card, bar code card, ID card and IC card. As a result, an orderly and civilized passage is provided for the personnel in and out, and illegal personnel can be barred. At the same time, a special fire control interface is equipped in the system to meet the requirement of fire control passage, so that a rapid down rod control may be realized in emergency for diverting passengers.