The research of the housing is regarded as an organic cycling and developing system in order to realize the housing whole life cycle's maximum benefit

the optimum quality and minimum cost.The sustainable housing's theory frame is constructed according to the each stage characteristics of the housing's whole life cycle.Its theory connotation is presented as: function compatibility

energy conservation and environmental protection

technical suitability

economical rationality

and psychic culture.It is evaluated according to the system engineering and the fuzzy mathematics synthetic evaluation method.First

the appraisal target system is established and evaluation standard is determined.Next

the judgment fuzzy matrix is established.Finally

the judgment result is obtained.The original plan is fed back according to the result

and the plan is further optimized.The applied research of the sustainable housing theory and the assessment method is conducted by the selection example

and its feasibility and the accuracy are verified.