Leg circumference measuring device for monitoring venous thrombosis of lower limb

The leg circumference measuring device comprises a thigh baffle, a shank baffle and a thigh bandage, an upper sliding groove is formed in the middle of the upper surface of the thigh baffle, an upper sliding block is connected to the middle of the upper sliding groove in a clamped mode, and the thigh bandage can be moved. A thigh bandage is fixedly connected to the middle of the upper surface of the upper sliding block and can bind a thigh, a limiting block is arranged at one end of the thigh baffle and can prevent the sliding block from sliding out, a rotating shaft is arranged at the end, away from the limiting block, of the thigh baffle, the shank baffle is rotationally connected with the thigh baffle through the rotating shaft, and a lower sliding groove is formed in the middle of the side face of the shank baffle. A lower sliding block is clamped in the middle of the lower sliding groove, the position of a shank bandage can be moved, the shank bandage is fixedly connected to the middle of the upper surfa