Automobile seat ventilation system and automobile seat

The utility model discloses an automobile seat ventilation system, which relates to the technical field of automobile seats and comprises a ventilation fan, a ventilation joint and a ventilation air bag, an air duct for air to pass through is arranged in the ventilation joint, an air inlet end of the ventilation joint is communicated with an air outlet of the ventilation fan, and an air outlet end of the ventilation joint is communicated with an air outlet of the ventilation fan. The air outlet end of the ventilation connector is communicated with the air inlet of the ventilation air bag, and the ventilation air bag is further provided with an air outlet hole; the air outlet end of the ventilation connector and the ventilation air bag are connected into a whole. The utility model further discloses an automobile seat which comprises the automobile seat ventilation system. The ventilation connector can be prevented from falling off, and normal operation of a ventilation system is guaranteed. 本实用新型公开一种汽车座椅通风系统，涉