Liquid medicine bottle with accurate sampling function

The utility model relates to the field of sampling equipment, and discloses an accurate sampling liquid medicine bottle which comprises a medicine storage mechanism, the side edge of the top face of the medicine storage mechanism is fixedly connected with a liquid accumulation groove, the top end of the medicine storage mechanism is fixedly connected to the bottom face of a medicine suction assembly, and the top face of the medicine suction assembly is fixedly connected with a shell barrel. A sliding rod and a piston at the bottom end of the sliding rod are slidably connected into the shell cylinder, a scale strip is arranged on one side of the sliding rod, and a liquid drainage assembly is fixedly connected to the outer side of the bottom of the shell cylinder. The sliding rod is driven to move by pulling the holding rod, so that the piston moves in the shell barrel, liquid medicine in the medicine storage mechanism is sucked out, the liquid medicine ejects the cylindrical block to jump, the cylindrical bloc