PROBLEM TO BE SOLVED: To provide a protector for preventing vermin damage on a young tree which does not inhibit growth of the young tree, allows sunlight to sufficiently pass through, keeps the environment around the young tree equal to the outer air environment, and also is facilitated in transportation and attachment.SOLUTION: The protector for preventing vermin damage on a young tree 1 includes a cylindrical net 2 formed of net formed from a stretchable knitted material, and is structured as follows: string-through guide portions 3 and 4 through which a string is inserted, are formed at the peripheral edges of the top and bottom openings of the cylindrical net 2 respectively and strings 5 and 6 are inserted into the insides of the top and bottom string-through guides respectively.COPYRIGHT: (C)2011,JPO&INPIT【課題】幼齢木の成長を妨げず、太陽光も十分に通り、幼齢木の周囲の環境を外気環境と同じ環境に保ち、運搬も取り付けも簡単な幼齢木食害防止用プロテクターを提供する。【解決手段】伸縮性を有する編物からなるネットで形成された筒状ネット2からなり、前記筒状ネット2の上下のそれぞれの開口部周囲縁に紐を挿通するための紐通しガイド部3,4が形成されていて、当該上下の紐通しガイド部内にそれぞれ紐5,6が挿通されている幼齢木食害防止用プロテクター1。【選択図】図1