The invention discloses a channel management device for left-right ticket-checking passing. The channel management device for left-right ticket-checking passing comprises a gate provided with ticket-checking channels on the left and right sides, wherein the gate is provided with a detection unit for detecting ticket-checking actions in the right side zone of the gate when ticket-checking workers perform ticket checking, a processing unit for determining whether the ticket-checking workers are located in the right ticket-checking channel or not, a control unit for opening the gate of the left ticket-checking channel after ticket checking is qualified and when it is determined that the ticket-checking workers are not located in the right ticket-checking channel, and opening the gate of the right ticket-checking channel after ticket checking is qualified and when it is determined that the ticket-checking workers are located in the right ticket-checking channel. The channel management device can open the gates of channels where passengers are located regardless of which the left side gate or the right side gate is used, accordingly improves the ticket-checking passing rate, reduces channel jams and facilitates passing of passengers. The invention further discloses a method for left-right ticket-checking passing.