PURPOSE: Swimming practice webbed feet are provided, which make legs reciprocal movement and legs simultaneous movement possible. CONSTITUTION: Swimming practice webbed feet comprise a connection unit which is detachably and rotationally connected to the side of webbed feet facing each other. The connection unit includes: a shaft(110) which is formed in one side of the webbed feet and in which a latch part is formed in one side; and a boss(120) in which an opening(121) is formed and a locking unit(122) keeping and releasing the locked state is formed to correspond to the latch part.
