Abstract: By the Laboratory of rhizosphere soil nutrition ,we cleared the Effect of soybean continuous cropping on the rhizosphere soil nutrition.The result showed that as the year continuous ,the pH of rhizosphere soil was lower ,and the content of Nitrogen, Phosphorus, Potassium, Magnesium, Zinc, Boron, Molybdenum, organic matter in the rhizosphere soil was lower ,but the content of Iron, Calcium, Manganese had non-alignment law.