明清时期民事习惯不仅影响案件判决,也影响事实认定。表现为影响证据方式的选择和证明结果。司法者适用证据认定事实时如能够考虑到习惯的影响就可能避免事实错误。民事习惯对事实认定的影响程度受到国家制定法及家族伦理的制约。 Civilian customs in the Ming and Qing Dynasties not only affect the judgment of the case, but also affect the determination of facts. The performance of evidence for the choice of ways and prove the results. It is possible for the judiciary to avoid a factual error if it considers the influence of the habit when it comes to the identification of the facts. The influence of civil custom on the cognizance of fact is restricted by the state statute law and family ethics.