PURPOSE: To obtain the supporting pillar capable of arbitrarily adjusting the length, easily in handling, carrying, receiving, etc., and not damaging the appearance of the tree.

CONSTITUTION: The supporting pillar for supporting the branch of a tree comprises a branch-receiving tool 10 for receiving the branch 70 of the tree 70, an upper side bar-like member 68 having the branch-receiving tool 10 at its upper end, a cylindrical lower side bar-like member 76 capable of receiving the upper side bar-like member 68 therein, a separable bar-like connector 36 disposed at the upper end of the lower side bar-like member 76 and used for binding the upper side bar-like member 68 pulled out from the lower side bar- like member 76 only in a required length to the lower side bar-like member 76, and a stopper 28 disposed on the lower end of the lower side bar-like member 76 to prevent the sinkage of the lower side bar-like member 76.