Abstract: In the paper, the kinds of organic fertilizer and proper application as well as the using methods are mentioned,the article explains the disadvantage of abuse of organic fertilizer which has crucial meaning for the modern agricuhure.Put forward the measures for organic agricluture：deal with the cropstalks properly,enlarge the planting of green manure;develop the stock raising greatly;sustain the organic fertilizer artifacting;draw the standards for organic agriculture,monitor the soil-products- water system.