Inserting and pulling type low-temperature container

The invention discloses an inserting and pulling type low-temperature container. The inserting and pulling type low-temperature container comprises a refrigerator and a low-temperature container body.A first-stage cold cavity is placed in a first-stage cold screen of the low-temperature container body, an elastic round sleeve and a first-stage corrugated pipe are arranged on the top walls of thelow-temperature container body and the first-stage cold cavity correspondingly, the middle of the elastic round sleeve is fixedly provided with a first lower conduction block connected with the top wall of the first-stage cold screen, a second upper conduction block and a second lower conduction block are arranged on the bottoms of the elastic round sleeve and the first-stage corrugated pipe correspondingly in a seal manner, a first upper conduction block is arranged on a first-stage cold head of the refrigerator in a sleeving manner, a second-stage cold head of the refrigerator is used for driving the second upper con