The invention provides a motorcycle. According to an air inlet structure of an air filter of the motorcycle, the occupation of an additional required finite space in the motorcycle is avoided, and various impurities can be effectively prevented from entering the air filter through an air inlet of the air filter. The motorcycle comprises a motorcycle body frame, an engine unit, a seat cushion part, an accommodation box, a fuel tank and the air filter, wherein the motorcycle body frame extends along the forward and backward directions of the motorcycle; the engine unit is used for generating power for driving the motorcycle; the seat cushion part is ridden by a driver and a passenger; the accommodation box is arranged below the seat cushion part; the fuel tank is used for storing a fuel required by the engine unit; the air filter is arranged above the engine unit, is used for filtering air required by the engine unit, and is provided with an air inlet pipe for introducing the air; the fuel tank is arranged below the seat cushion part, is positioned in front of the accommodation box, and is fixedly arranged on the motorcycle body frame; and the air inlet pipe extends towards a part between the fuel tank and the accommodation box from the air filter, so that the air inlet is positioned in a space between the fuel tank and the accommodation box.