The invention discloses a signal indication system for large-flow non-motorized travel and an indication method thereof. The system comprises a face shooting module, an access control module and a prompt module, the face shooting module is arranged on the front sides of an entrance of an entrance channel and an entrance of an exit channel and used for shooting passengers entering or leaving a station through the entrance channel, and the face shooting module comprises a camera device, a communication device, a display device, a data processing module and a storage device; the access control module comprises an automatic door, a communication unit and a data processing unit; the prompt module comprises a prompt box; the prompt box is provided with a voice reminding device, a wireless communication device and a display screen, the invention relates to the technical field of transportation, can prevent the phenomenon of fare evasion of a part of people due to negligence of ticket checkingpersonnel, does not need to swipe tickets and directly swipe faces to pass when passengers enter and exit a gate, is more convenient and faster, and also has a reminding effect on passengers who mistakenly enter the gate and mistakenly record the riding date.