The soil properties, total phosphorus, available phosphorus and watersoluble phosphorus were analyzed with 14 soil samples collected from different sites in China, the relationship between P availability and soil properties was analyzed by path analysis. Results showed that the comprehensive role of soil properties separately was on account of availability of soil phosphorus. The result of path analysis showed that there were significant positive effects of the amount of soil CEC, clay, sand and calcium carbonate on the ratio of available phosphorus, however, significant negative effects of soil organic matter on it; There were significant positive effects of the amount of soil pH on the ratio of watersoluble phosphorus, however, significant negative effects of soil CEC on it. The soil samples this article selected complied with the path analysis results between phosphorus availability and soil properties basically.