It is essentially important and necessary for human to make a tactics of future sustainable development, which lies its red line in that natural sources have to be reasonably used, the living environment effectively protected, and harmonic and sustainable development of global economy and human society with nature must be carefully looked for. The comprehensive study of sustainable regional developmentology is a great pioneer research engineering. Its main task is to establish a computer-based information expert system and a dynamic policy-making system on the basis of multidisciplinary studies, in which geoscientists may play a key role.