Liquid-based cell and microbiological treatment preservation reagent bottle

The utility model discloses a liquid-based cell and microorganism treatment and preservation reagent bottle which comprises a bottle cap, a first bottle body, a second bottle body, a gear switching sheet and an injection push rod, the bottle cap comprises a sharp mouth cap; a liquid outlet is formed in the sharp mouth of the sharp mouth cover; a sealing film is laid on the top of the sharp nozzle; the first bottle body is buckled at the bottom of the sharp mouth cover; a cavity is formed in the first bottle body; a spring is arranged in the cavity; the second bottle body is mounted at the bottom of the first bottle body; the gear switching sheet comprises a first gear sheet and a second gear sheet; the first gear piece and the second gear piece are arranged on the inner wall of the second bottle body from high to low from the head part to the tail part; the first gear piece and the second gear piece are each sequentially provided with a plurality of gear clamping grooves in the direction from the head portion