1、1.Good ventilation, fast rot and good quality.2、2.After continuous fermentation for about 1 month, it can be used immediately, and the humus is taken out from the bottom layer, which is convenient and quick.3、3.The capacity is large, the bottom is taken, the fat pocket is convenient to take the fertilizer, and how much is used, which does not affect the new semi-finished kitchen fat added above, and can be used continuously.4、4.Zipper at the lid for easy addition and good sealing, easy to remove at the bottom.5、5.Improve the physical and chemical physiological state of soil.