Organic-inorganic compound fertilizer is kind of compound fertilizer of specific quantity Organic fertilizer. Organic fertilizers have long effects and improve soil, but it can’t satisfy with nutrient needs of high-yield crops. Chemical fertilizers have fast effects. however, if it can’t correct to use , it will bring about acidification，harden，drop of organic matter contents and so on in soil. Organic-inorganic compound fertilizers have their character above two kinds of fertilizer. Recent years, the effects was obvious in our province, the peasant was welcome it. The development was so fast and quite-scale that it will be one of directions in fertilizer application.