Rear shock absorber of motorcycle

The utility model relates to the technical field of shock absorbers for vehicles, in particular to a rear shock absorber of a motorcycle, a flow adjusting mechanism for simultaneously adjusting recovery resistance and compression resistance is arranged in an oil storage pipe, the flow adjusting mechanism comprises a piston rod and a piston sleeved at the front end of the piston rod, and a plurality of runner holes are axially arranged on the piston. The piston rod is a hollow pipe body, an oil passing hole communicated with the interior of the piston rod is formed in the circumferential direction of the piston rod, and an ejector rod capable of moving along the axis is arranged in the piston rod in a penetrating mode. A valve element matched with the ejector rod to achieve opening or closing of the oil passing hole is arranged in the piston rod, and an adjusting hand wheel used for adjusting the axial movement amount of the ejector rod is installed at the end, located outside the piston rod, of the ejector ro