Cell culture pore plate convenient for changing liquid

The utility model discloses a cell culture pore plate convenient to change liquid, which relates to the technical field of biological experiment utensils and comprises a culture plate A, a cover plate and a culture plate B. The upper surface of the culture plate A is fixedly connected with two groups of fixed brackets, the top end of the culture plate A is fixedly connected with a positioning pin, and a culture hole is formed in the culture plate A; supporting legs are fixedly connected to the four corners of the top end of the culture plate A, positioning holes are formed in the bottom end of the cover plate, three sets of inserting rods are slidably connected to the inner wall of the fixing support, extrusion blocks are elastically connected to the inner walls of the inserting rods through limiting springs, inserting holes are formed in the upper surface of the culture plate A, and communicating pipes are arranged on the inner wall of the culture plate A. When the culture plate is used, the culture plate ca