Constant-temperature storage device for boar semen

The utility model relates to the technical field of boar semen storage, in particular to a boar semen constant-temperature storage device which is characterized in that when the boar semen constant-temperature storage device is used, a boar semen test tube is placed on an object placing plate assembly, and then the object placing plate assembly slides into two groups of opposite sliding grooves according to the length of the boar semen test tube; the interval adjustment of the storage plate assemblies according to different boar semen test tubes is achieved, the flexibility is improved, meanwhile, the multiple sets of storage plate assemblies do not interfere with one another, and a user can extract the storage plate assemblies according to needs; comprising a box body, a box door, an intelligent temperature controller, a hand groove, supporting rods and a sliding groove, the box door is movably arranged at the front end of the box body, a cavity is formed in the box body, the intelligent temperature controll