并非所有的客观事实都能作为证据。什么事实可以作为证据，什么事实不可以作为证据，要以事实对案件有无证明作用为标准分野，这就是证据的关联性。 证据的关联性主要指的是间接证据。其关联性表现形式也是多种多样的。有与案件有客观、内在、必然联系的形式，还有因果与非因果 Not all objective facts can serve as evidence. What facts can be used as evidence, what facts can not be used as evidence, to prove whether the facts prove the role of the case as the standard division, which is the relevance of evidence. The relevance of evidence mainly refers to indirect evidence. Its related manifestations are varied. There is an objective, internal and inevitable connection with the case, as well as causal and non-causal