Abstract: The environment cost should be concerned when the ecological-taxes should be increased against the conditions of high input,high consumption,high discharging,difficult recycling and low efficiency in course of the rough mode of the present development of the economy in China.Notional model of increasing ecological-taxes was set up through product life cycle analysis combined with the principles of“3R”about the theories of circular economy.Some suggestions were put forward to build the ecological-taxes system adapting to the real conditions in China.