blems from thedevelopment of PHR it is still unable to satisify actual demand. Based Oll the recent research work of the generM database operation technique at home andabroad,the main works and conclusions in this paper are as follows: ①With the idea of modularization,A general database operation technique basedon PHPis putted forward.with the idea of modularization and based on the generalobject,this detailed in analyzing functions and relavant algorithm of the generaldatabase operation technique in three processes.The model is a combine which mergecurrent research and past research into an integral whole,making researchers a clear andcomplete understanding on he general database operation.Thus offer the research guidefor deep research in the future.As we can know,the present research on generaldatabase operation technical is difficult in comprehensively applying in databasewith different characteristic.Based on the above consideration,we will carry on theresearch to the problem ofthe general operation ofthe different database. ②With this model as the theories guide,we do the deep reseach to the generaloperation of MYSQL and PostgreSQL.Referred the ODBC and JDBC thoughts,thispaper put forward the arithmetic ofthe general data operation technique PDBC(thePHP Open Database Connectivity). Based on the ODBC and JDBC principle,this paper put forward the arithmetic ofthe general data operation technique PDBC,and has already developed the program torealize it.Throungh analysis,the arithmetic has following advantageses:It Can removethe difference ofthe API ofthe MYSQL,POSTGRESQL completely,it Can acquire thegeneral database operation,it Can expand the method ofPDBC to appling;Thearithmetic is simple,fast and its function is stable;Itsis su