To the problem of seeking log price in marking of the theories of direction figure with values for tree-length scaling design,the paper presented the solved method of founding a databae according to the spicies by using active data object techniques.

The method of 0-1 programming has been used in optimal design for tree stems bucking,in which X_i represents each possible cut log,and the accumulative value for each log from the butt to the top of tree is used as objective functions, and, when the binding conditions are met,the design that has the largest value of objective function should be the optimal one.