A riding mower, which comprises a wheel assembly, a body arranged on the wheel assembly and a battery assembly, the wheel assembly has a front wheel assembly provided with a front shaft and a front wheel and a rear wheel assembly provided with a pair of rear shafts and a pair of rear wheels. The battery assembly is mounted on the body, and a gravity center of the battery assembly is located between the front shaft and the rear shafts along a front to back direction. The riding mower of the present invention can enhance the driving stability of the riding mower and further solve the problems of easy head up and low efficiency of the existing riding mower.