The utility model relates to a system with left and right independent oil pumps in simultaneous oil supplying. The system is formed by a left oil return pipe, a left oil outlet pipe, a left oil pump, a fuel oil tank, a right oil pump, a right oil return pipe, a right oil outlet pipe and a fuel oil filter; the system is characterized in that the fuel oil tank is divided into a left oil chamber and a right oil chamber, the left oil pump is arranged in the left oil chamber of the fuel oil tank, the right oil pump is arranged in the right oil chamber of the fuel oil tank, the left oil return pipe is connected with an oil return end of the left oil pump, the left oil outlet pipe is connected with an oil outlet end of the left oil pump, the right oil return pipe is connected with an oil return end of the right oil pump, the right oil outlet pipe is connected with an oil outlet end of the right oil pump, the left oil return pipe and the right oil return pipe are connected with an oil return end of the fuel oil filter, and the left oil outlet pipe and the right oil outlet pipe 7 are connected with an oil outlet end of the fuel oil filter. According to the system disclosed by the utility model, through the structural design of an external oil return system, the oil supplying smoothness and the oil return consistency of the left oil chamber and the right oil chamber of the fuel oil tank are ensured, parts of an oil supplying system are reasonably and feasibly distributed, and the pressure of the oil supplying system of a whole vehicle is kept in a fluctuant requirement range under situations of idle speed and rapid acceleration.