The legal system of the proper law of three types of special foreign related contract enacted in the 1980s originated from the planned economy institution. Its strong tendency of the territoriality of law was unsuited to the innate character of the market economy institution and the prevailing international rules. In a new period of comprehensive deepening reform, the transformational development of this legal system will be inevitable. The codification of Civil Code will provide a feasible route of realizing the transformational development of this legal system