The "proper law" is the principle of a law choice,it should be a good law according to this principle of a law choice,but the justice is equal,the order is a standard to measure the good law;But the application of the proper law s principle exsits localization,not safety and uncertainty,have the certain influence to the law order stability.
那么,依此原则所选的法律应该是良法,而正义平等、秩序是衡量良法的标准;但适当法原则的运用存在着局限性、非安全性和不确定性,对法律秩序稳定性有一定影响。