The invention discloses a multifunctional sports and athletics training device. The device comprises a base, a backup plate, a training assembly and an adjusting assembly, wherein the backup plate isinstalled on the outer wall of the top end of the base; the training assembly is fixed to the backup plate and the outer wall of one side of the base; and the training assembly comprises a moving groove, a first guide groove, a moving plate, a first training rod, a second guide groove, a connecting belt, a second training rod, a sliding groove, a connecting rod, a sliding block and a first spring,the moving groove is formed in the inner wall of one side of the base, and the moving plate is slidably connected to the inner wall of one side of the moving groove. By adopting the training device,the muscles of the whole body of an athlete can be trained, so a burst effect is obtained, the problem of uncoordinated limb movement in the competition process is avoided, and a competition result isimproved; and an adjusting device is further adopted, so after training is finished, a comfortable environment can be adjusted, muscles of the athlete can be relaxed, the athlete does not need to relax by themselves, and the using effect of the device is improved.