Abstract: A trial was conducted by using Sinochem biological organic fertilizer in Dawu county to study the effect of it on peanut（Arachis hypogaea） and ascertain the possibility of high quality and high yield. The results indicated that such organic fertilizer could enhance the weight of 100 shucks and kernels,thus increase yield and shelling rate,increased by 5.03%,7.69%,1.49% and 7.87%,respectively;increase the quality and ameliorate flavor,compared to the traditional fertilizer application. As well as,it showed excellent effect on maintaining or improving soil environmental physical and chemical properties.

Key words: peanut（Arachis hypogaea）, biological organic fertilizer, application effect, Dawu county