The present disclosure provides a clamping mechanism for clamping a liquid crystal panel of a LCD, the clamping mechanism includes a base, a clamping member mounted on the base, and an elastic member connected to the base and applying a drawing force onto the clamping member to allow the clamping member under balanced outer force. With the clamping mechanism, the vertical position of the clamping mechanism can be adjusted as the height of the liquid crystal panel changes, thus, the clamping member can be kept coplanar with the liquid crystal panel, to avoid the fracture of the liquid crystal panel; meanwhile, with the elastic member, the frequency and the precision of adjusting the clamping mechanism can be decreased to reduce the maintaining cost of the clamping mechanism. The present disclosure further provides a carrying device and a transferring apparatus with the clamping mechanism.