Mattress with spine protection function

The utility model discloses a mattress with a spine protection function. The mattress comprises a mattress body, a supporting box is fixedly arranged in the mattress body, one side of the supporting box is provided with an opening, an opening is formed in the top of the supporting box, a ridge protection plate is rotatably arranged in the opening, two adjusting lead screws are rotatably arranged in the supporting box, chain wheels are fixedly arranged on the outer sides of the two adjusting lead screws in a sleeving mode, and the two adjusting lead screws are connected with the chain wheels in a sleeving mode. The same transmission chain is installed on the two chain wheels in a transmission mode, the outer side of the adjusting lead screw located on the front side is fixedly sleeved with a worm gear, the inclination angle of the ridge protection plate can be adjusted through cooperation of a rotating shaft, a worm, the worm gear, the adjusting lead screw, the chain wheels, the transmission chain, a nut, a tr