Leg restraint strap

The utility model relates to the technical field of restraint straps, in particular to a leg restraint strap which comprises a first connecting strap and restraint strap bodies symmetrically connected to the two side faces of the first connecting strap, and second connecting straps are connected to the upper portions, close to the first connecting strap, of the two side faces of each restraint strap body. The side face, far away from the first connecting belt, of the second connecting belt is connected with a third connecting belt, the first air bag is arranged on the top face of the restraint belt body, and the second air bag is arranged on the bottom face of the restraint belt body. The legs of the user have a certain up-and-down movement amplitude, in the up-and-down movement process, water flows among the second air bag, the connecting pipe and the first air bag under the pressure effect, the part in contact with the legs is massaged in the flowing process, the comfort degree of the user is improved, and