1. The owner of the house needs to bring his/her valid ID card, a copy of the ID card and an application for replacement stamped by the owner and his/her unit to register the loss of the real estate license; 2, to the real estate archives for lost newspaper proof; 3. Publish a notice of loss reporting in the designated newspaper, and attach a statement of loss reporting. If no one raises any objection within 30 days, he may apply to the registration department for reporting the loss for re-registration; 4. The owner 10 can get a new real estate license.