Improved blood vessel closure device

The improved blood vessel closure device comprises a connecting rod, a threaded rod, an adjusting clamp, a fixing clamp and a protective plate, the fixing rod is arranged on one side of the connecting rod, the threaded rod is fixedly connected to one end of the fixing rod, threads are arranged on the surface of the threaded rod, the fixing clamp is arranged between the connecting rod and the fixing rod, and the protective plate is arranged between the connecting rod and the fixing rod. Fixing pieces are fixedly connected to the two sides of the fixing clamp, the threaded rod and the adjusting nut are arranged, the adjusting nut can be rotated on the threaded rod, the position of the adjusting nut can be moved, and therefore the position of the portion, on one side of the adjusting nut, of the adjusting clamp can be moved; the situation that the lower end of the adjusting clamp inclines in the position moving process can be avoided, through the arranged scale plate and the scale pointer, the adjusting clamp ca