It is the world common practice to establish the system of abstention and entitle litigants to petition for abstention with the aim to secure the judicial organs to enforce the law fainty in proceeding .

为保障司法官员在诉讼活动中客观公正执法，建立回避制度，赋予诉讼当事人申请回避权，是世界各国的普遍作法。