The new criminal procedural law, in the form of law has been clear about the defective evidence has workability and remedial value. Criminal evidence, as the important basis to judge the judge ruled that the facts and, occupies a core position in criminal lawsuit activity. Accordingly, as legal can remedy the drawbacks of evidence, based on its presence and role in the lawsuit activity, has the value of further research.In practice, on how to remedy defects evidence, has been the practice, in theory, the st...