Through analyzing the reason why documents lost frequently in the development of Lotus Domino/ Notes, a dependable way is advanced adopting LotusScript, instead of the general simple operations, to solve the unstable problem caused by not refreshing the simple operations items while update the database design.

The article elaborate the characteristic of the economic numerical control system: numerous in variety、 various function、 superior reliability、 low in price、 simplicity of operator、 convenient maintenance and so on,At last the article analysis the application and development.

During the course of practising the change of forest land management from simple development to comprehensive development,persist in "six changes":building the base on the hill,change from many products into one product in one forst farm;processing products at the foot of hill,change from simple development into comprehensive development.