The evidence obtained on the premise of legality has legal effect.
（1） Whether the evidence is original and original, and whether the copies and duplicates are consistent with the original and original;
（2） Whether the evidence is relevant to the facts of the case;
（3） Whether the form and source of evidence comply with legal provisions;
（4） Whether the content of the evidence is true;
（5） Whether the witness or the person providing the evidence has an interest relationship with the party concerned.
