Portable sterile breathable sealing device for laboratory tissue culture container

The present invention discloses a portable sterile breathable sealing device for a laboratory tissue culture container. A film body is formed by concentrically connecting a first clamping groove body,a second clamping groove body and a shielding body, the first clamping groove body is of an integrated structure composed of a first plane body and a first flange which is downward in a circumferential direction of the first plane body, a first through hole is formed in the first plane body, a first clamping groove is formed between the first plane body and the first flange, a microorganism filtering membrane and a clamping pad are sequentially arranged in the first clamping groove from top to bottom, a second clamping groove body is arranged outside the first flange, the second clamping groove body is of an integrated structure formed by a second plane body and a second flange which is downward in a circumferential direction of the second plane body, a second clamping groove is formed between the second plane bo