The invention belongs to the field of landscaping, in particular to a tree anti-lodging device for landscaping, aiming at the problem that the existing tree anti-lodging device cannot change with the growth of the tree, it includes two oppositely arranged semicircular clamping seats , two semi-circular clamps are pieced together to form a circular structure, both ends of the two semi-circular clamps are provided with mounting ears, and bolts are installed on the mounting ears of the two semi-circular clamps close to each other. The tops of the two semicircular holders are provided with installation grooves, and the middle position of the inner bottom of the installation groove is installed with a medicine storage box, and the medicine storage box is designed without a cover, and the inner bottom of the installation groove is provided with a plurality of support columns in the circumferential direction , the upper end of the support column is fixed with a lamp bead, the support column is arranged in the circumferential direction of the medicine storage box in a ring shape, a funnel-shaped cover is fixed on the top of the installation groove, and the top opening of the cover is larger than the bottom opening of the cover. The invention can change along with the growth of the trees, and is more intelligent, and the trees can grow more stably and healthily.