Abstract: In view of centralized access problems of a large number of small hydropower stations,in-depth analysis of provincial power grid business characteristics,an improved business-driven load balancing task allocation algorithm is de-signed. Adopting master-slave database server plus load balancing technology,the algorithm is designed which used power grid data storage access control policy and IP＿hash combined with Fair. This algorithm effectively separates read and write operations,strengthen effective acceptance rate of first request during task peak period,and greatly improve the response efficiency of data reporting and query. It not only completely solved the problem of web page jammed,but also stabilized the response time for centralized access from 30 seconds to less than 5 seconds,greatly improves the user experience and the operating efficiency of the system.