Mahjong machine fresh air feeding system

The invention discloses a mahjong machine fresh air feeding system and belongs to a recreational facility. A current mahjong machine can have the function of fresh air providing, and the body health of a player can be well achieved. The mahjong machine fresh air feeding system comprises a filter, a rainproof cover, an air inlet soft pipe, a ground attaching flat pipe, an axial flow fan, a four-in-one air pipe distributor, four air outlet soft pipes and four air outlets. The filter is arranged outside a wall and is used for sucking outdoor fresh air, mosquitoes, flies and rats are prevented from entering, and the waterproof cover is arranged on the system. The ground attaching flat pipe is arranged to be in a flat shape with low height, the two sides of the ground attaching flat pipe are provided with gradients and are placed under feet, a person can walk around the mahjong machine conveniently, and the two ends of the flat pipe are provided with air-in-out pipe openings. Fresh air passes through the filter, the air inlet soft pipe and the ground attaching flat pipe, under driving of the axial flow fan, the fresh air passes through the four air outlet soft pipes along the four-in-one air pipe distributor, the fresh air is sent to the four edges of the mahjong machine through the air outlets, and the air outlets are provided with air amount and direction adjusting switches which control the amount, opening and closing of air.