The scope of sources of civil law and sequence of application of the sources are basic questions of application of civil law. The article 1 of Swiss Civil Code initiatively provides that the sources of civil law include statute law, customary law and rules made by judges, which exerts a far-reaching influence on the history of civil law. The article 1 of Swiss Civil Code accords with the immanent requirement of legal science and reflects social and historical background and transformation of legal thoughts. The sources and its application methods have developed with the judicial practice in th...