It is used for vitrification freezing and recovery of embryo;

(1) The dish marks numbers, each number matches with corresponding freezing recovery culturing liquid droplet, easy to identify, no need other mark in the bottom of the dish;

(2) Each placed freezing recovery culturing liquid droplet has a circle area, each area has a slight undercut;

(3) Add corresponding freezing recovery culturing liquid droplet into the area, which can prevent the droplet compatible by shaking at transfer process.