Provided is a fishing reel equipped with a hidden line stopper. The fishing reel includes: a frame; a shaft mounted on the frame; a spool fitted on the shaft to keep a fishing line wound thereon; a first side cover disposed at a side of the frame and capable of opening to separate the spool; a second side cover coupled to the frame at the opposite side to the first side cover; a locker having a locking rod for locking and unlocking by moving forward and backward through the frame and the first side cover, and a grip disposed at the first or second side cover and connected to the locking rod; and a line stopper formed at the locking rod to be hidden or exposed when the locking rod is moved forward and backward to open and close the first side cover.