The invention provides a lower jaw operation nursing device. The device comprises a head band, a first hook and loop fastener loop belt is sewed on the left side of the front end surface of the head band, a first hook and loop fastener hook belt is sewed on the right side of the back end surface of the head band, and hook and loop fastener loop strips are symmetrically sewed on the left and rightsides of the front end surface of the head band; hook and loop fastener hook strips adhere to the left end surfaces of the hook and loop fastener loop strips, cloth belts are sewed on the left end surfaces of the hook and loop fastener hook strips, and second hook and loop fastener loop belts are sewed on the lower sides of the left end surfaces of the cloth belts; second hook and loop fastener hook belts adhere to the left end surfaces of the second hook and loop fastener loop belts, binding belts are sewed on the left end surfaces of the second hook and loop fastener hook belts, first clothstrips are sewed at the lower ends of the binding belts, and first venting holes are formed in the lower sides of the left end surfaces of the binding belts. Compared with the prior art, the device has the following advantages that the binding belts are utilized for clamping gauze at an incision part of a lower jawbone operation, the falling phenomenon caused when adhesive tape is adopted for adhesion is avoided, and by adjusting positions of the binding belts, the application range is enlarged.