Abstract: Disclosed is a lower leg guard for sports training, and belongs to the technical field of sports protectors. The lower leg guard for sports training includes a sheath, and the sheath is axially C-shaped. The lower leg guard for sports training further includes a contraction zone arranged on the sheath, the contraction zone is mounted at an opening of the sheath, and a conical tubular space is enclosed between the sheath and the contraction zone. The lower leg guard for sports training further includes a support part arranged on the sheath, the support part is mounted in a middle area of a surface of the sheath. Through the sheath, the connecting surfaces, the elastic band, and the fasteners that match each other, the present disclosure improves the training effect of the athlete.