The invention relates to a storage system of instruments for a motorcycle. The storage system comprises a supporting auxiliary system, wherein a liquid collection pipe and a supporting mechanism are mounted at the upper part of the supporting auxiliary system; a rotary sleeve is mounted in the middle of the supporting mechanism; the rotary sleeve is provided with a system body connecting mechanism; a bearing system is arranged at the left end of the system body connecting mechanism; a soft gasket is mounted in the bearing system; a liquid drainage pipe is arranged at the bottom of the soft gasket; a hinge is mounted at the top of the supporting mechanism; the hinge is provided with an arc-shaped connecting mechanism; a storage cover body is arranged at the lower part of the arc-shaped connecting mechanism; a plurality of connecting soft rods are arranged at the upper part of the storage cover body; filling plastic balls are arranged at the lower parts of the connecting soft rods; a dust collection system is mounted on a side wall in the storage cover body; and a dust removing mechanism is mounted at the right side of the supporting mechanism. By adopting the system provided by the invention, the instruments for the flow motorcycle are convenient to store, a storage environment of the instruments for the motorcycle is improved and dust removal can be realized; and the storage system has a vibration absorption function and a condition that the instruments for the motorcycle are invalid, caused by the fact that the environment is too humid, is avoided.