Ratchet wrench

A ratchet wrench comprises a shell, a transmission mechanism located in the shell and a ratchet mechanism connected to the transmission mechanism, and the ratchet mechanism comprises a ratchet ring connected to the transmission mechanism, a rotating body contained in the ratchet ring, a pawl connected to the rotating body and a forward and reverse turning button. The ratchet ring is provided with a containing cavity, the rotating body is provided with a large-diameter part contained in the containing cavity and a containing groove located in the longitudinal lower side of the large-diameter part, the pawl is contained in the containing groove and provided with a fixing pin extending in the axial direction, and the pawl is pivoted to the large-diameter part through the fixing pin. The forward and reverse turning button is provided with a protruding part extending into the large-diameter part and a pressing pin extending towards the pawl from the protruding part, and the pressing pin abuts against the upper sid