The invention discloses a handlebar for drainage and disinfection. The handlebar comprises a spray nozzle, a main handlebar body, a handle and fan blades, the handle sleeves the main handlebar body, and the spray nozzle and baffles are arranged at one side of the main handlebar body; a pipe is fixedly connected with the baffles, a first connection hose is fixedly connected with the pipe, and a hose connector is in threaded connection with the first connection hose and is fixedly connected with a second connection hose; a fixing block is arranged on the main handlebar body, a brake fixing blockis arranged at one side of the fixing block and connected with a first supporting rod through a first rotation shaft, and a second supporting rod is arranged at one side of the first supporting rod and connected with a valve fixing block through a second rotation shaft; a valve core is connected to the valve fixing block, a drainage fan is arranged at one side of the valve core, and the fan blades are connected with the drainage fan through a rotation shaft. The handlebar for drainage and disinfection is convenient to use, practical and high in efficiency and has great use performance.