Anchor packer with well flushing function

The utility model provides an anchor packer with a well flushing function, which comprises an inner pipe, a cone and an anchoring and setting mechanism, wherein the anchoring and setting mechanism is arranged at the lower part of the inner pipe and is connected with the inner pipe through a track pin, internal threads at the lower part of an upper joint are connected with the upper part of the inner pipe, external threads at the lower part of the upper joint are connected with the upper part of a sieve tube, a well flushing piston is arranged between the sieve tube and the inner pipe, the upper part of the inner pipe is provided with a pressure transmission hole, the well flushing piston is positioned below the pressure transmission hole, the lower part of the sieve tube is provided with a rubber sleeve, the lower part of the rubber sleeve is provided with the cone, a liner tube is arranged in the rubber sleeve, the upper part of the liner tube is inserted into the lower part of the sieve tube, the lower part