Leg movement simulation device based on breaststroke training

The invention discloses a leg movement simulation device based on breaststroke training, and relates to the field of swimming training equipment. The leg movement simulation device comprises a base, amain support is fixedly arranged on the upper portion of the base, and a supporting mat is arranged on the main support; the leg movement simulation device further comprises the following parts whichare symmetric left and right, wherein a movement guide rail bellow the main support is arranged on the base, a guide rail connection plate is fixedly arranged on the main support, and the movement guide rail is fixedly connected with the guide rail connection plate; a guide rail guide device is slidably connected in the movement guide rail, one side of the guide rail guide device is connected with a pedal, and the other side of the guide rail guide device is connected with a supporting plate; the main support is sleeved with a supporting sleeve which can slide along the main support, the support sleeve is provided wit