时效是指因时间的推移（到期或届满）而取得或消灭某种权利的法律现定。举证时效制度，是指法律规定员有举证责任的生事人应当在一定期限内举证，因客观原回不能在该期限内举证的，可在举证期限届满以前向人民法院申请延期，但有证不举或逾期举证者应当承担举证不能的法律后果 Aging is the legal process of obtaining or eliminating a right over time (due or expired). Prohibition of proof system, refers to the legal provisions of the parties have the burden of proof of the burden of proof within a certain period of time, because the objective can not be the original proof of the period can be extended to the people’s court before the expiry of the period, but a permit Those who fail to give evidence or overdue their evidence should bear the legal consequences that can not be proved