Abstract: Since the concept of climatic system has been advanced in 1970s, the climatology has had a great variation in research. The modern climatology is called for the climatic research after 1970s and the past climatology is before 1970s in this paper. The author thinks that the future climatology should be from the astroclimatology to the cosmic climatology. As the undecidedness of the climate change and its forecast the mankind must be suitable to the climate change for sustainable development.