The invention provides a bicycle shifter comprising a base, a winding reel, a ratchet wheel member, a first fixing disk, a pawl member and a gear reversing shifting piece, wherein the winding reel is rotatably connected with a connecting shaft in the base, a locating key is arranged on the winding reel, the ratchet wheel member is provided with ratchets, a locating groove in cooperative connection with the locating groove is arranged at the middle of the ratchet wheel member, the first fixing disk is fixedly connected with the base, the first fixing disk is provided with a first projection, a first pin shaft is arranged on the first projection, the pawl member is rotatably connected with a first pin shaft, the pawl member is provided with a pawl part and a first linkage part connected with the pawl part, the pawl part is provided with a locking pawl and a locating pawl, the ratchets is engaged with the locking pawl or the locating pawl, the gear reversing shifting piece is rotatably connected with the connecting shaft, and the gear reversing shifting piece is provided with a second linkage part adjacent to the first linkage part. The bicycle shifter has the advantages of compact structure, good working reliability, good shifting stability and capability of preventing gear drop in a shifting process.