Abstract: Saline-alkali land is an important reserve arable land strategic resource．Green improvement and rational and effective utilization of saline-alkali land are of great significance to guarantee our food security．In recent years, application of organic fertilizer in agricultural production is more and more extensive．However, improvement effect of organic fertilizer on saline-alkali soil is affected by types of salt and alkali, types of raw materials, application method（single application, combined application）, amount of application, types of crops and application years．Conclusions of different studies are different and lack of systematic summary, which limits development and application of organic fertilizer in saline-alkali land．Effects of organic fertilizers on soil physical and chemical properties, soil microorganisms, crop yield and quality in saline-alkali soil were reviewed．Effects and existing problems of organic fertilizer improvement in saline-alkali land were analyzed from perspective of environmental friendliness, and further research direction of organic fertilizer in saline-alkali land was put forward according to our national conditions in order to provide reference for our national green ecological management of saline-alkali land．