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At present, the automotive industry standard, material standards stipulate battery life is not less than 500 times to use during charging and discharging the battery every 1 to 2 times, the battery should be scrapped after 2 to 3 years. At present, our country attaches great importance to waste battery recycling. Since 2006, a policy first proposed the automobile companies have to recycle its sales batteries. So far, three policies or regulations require directly the waste traction battery should be recycling. The main recycling responsibility unit is automobile companies or traction battery manufacturer. The author analyses existing policies and evaluate the trends of policy evaluation based on power battery life characteristics. The author considers that the trends will be coded so that traction battery and electric vehicle bound to carry out registration system. At that time, consumers will initiative to take the waste traction battery to treatment plants. Realize all the traction batteries have been effective recovery in the whole life cycle of electric vehicles.