Thermal insulation flip-latch and application in thermal insulation CMOS time sequence circuit without thermal insulation gate, current thermal insulation time sequence circuit includes thermal insulation trigger and thermal insulation gate, the invention fuses 'thermal insulation combination circuit' and 'thermal insulation memory circuit' to a integer, information memory function and combination logic function can not be divided in space, any thermal insulation time sequence circuit is composed by thermal insulation latch, without thermal insulation gate, it is not composed by thermal insulation trigger, it is a practical method which fulfills characters of thermal insulation time sequence circuit, the thermal insulation latch of the invention possesses three-rank thermal insulation latch: basic thermal insulation latch, secondary prompting thermal insulation latch and primary prompting thermal insulation latch, said thermal insulation latch includes inner core of three tube thermalinsulation inverter and two control gates, every thermal insulation latch includes a rank of thermal insulation combination circuit and used in low power large scale digital integrated circuit.