We hope that prevention can be better than treatment to avoid long-term injuries. Design, using a spring-tensioned device, which can be adjusted according to different body types, so that the weight of the wearing device will not be too heavy, and the bright orange, white, and black colors make the device attractive. The bionic design makes the wearer feel like There is a second spine to protect the body, and the use of the fishing principle to store the contraction spring in the wrong posture can limit the restrictions to avoid injuries to the spine during the transitional use of the body.