A telescopic partition includes a lower partition, an upper partition, and a first positioning mechanism. The lower partition includes a first lower base plate, a first upper base plate, and one or more first vertical rods distributed between the first lower base plate and the first upper base plate. The upper partition includes a second lower base plate, a second upper base plate, and one or more second vertical rods distributed between the second lower base plate and the second upper base plate. The first upper base plate is arranged above the second lower base plate, the first upper base plate is provided with one or more first through holes for the one or more second vertical rods to pass therethrough respectively, and the second lower base plate is provided with one or more second through holes for the one or more first vertical rods to pass therethrough respectively.