When the facts expressed by the witness testimony has material relevancy with the facts of a civil case which need tobe proved, then the witness testimony could have the validity of proof.

• 其次,着重说明证人证言证明力的判断标准应当是关联性标准。证人证言所反映的事实只要与民事案件待证事实之间具体有实质上的关联关系,那么该证言就有证明力。