An apparatus to prevent a pet climbing up a Christmas tree includes a screen member having a first predetermined shape and a first predetermined size. The screen member is formed from a pre-selected material. An aperture, having a second predetermined size, is formed through the screen member at a predetermined location for receiving therein a trunk of such Christmas tree. A slit is formed through the screen member beginning at an outer edge thereof and extending to an edge of a perimeter of such aperture to enable placing the screen member around the trunk. There is further a mechanism engageable with each of the screen member and a bottom branch of the Christmas tree for connecting such screen member to such Christmas tree beneath bottom the bottom branches thereof.
