A kind of Weeding fertilizer bag, can weight feed nutrient, more can inhibit weedy, to be suitable on small potted plant, orchard or farmland plantation. The Weeding fertilizer bag includes a bag body, the bag body system is made of ventilative and opaque material, and with a cricoid interior room, the perforation in what center, a plurality of movable sheets abutted against in the perforation peritreme, and one be connected to bag body side from the perforation aperture, the interior room of the bag body is for loading fertilizer.一種除草肥料袋,可定量供給養分,更可抑制雜草叢生,適用於小型盆栽、果園或是農田上之栽種。該除草肥料袋包含有一袋體,該袋體係為透氣且不透光材質製成,並具有一環狀的內容室、一位於中央的穿孔、複數個鄰接在該穿孔孔緣上的活頁片,及一自該穿孔連通至袋體周側的開孔,該袋體的內容室供填裝肥料。