The present disclosure provides a method and electronic device for processing information. The method is applied in a solid state storage apparatus which is connected to an electronic device. The solid state storage apparatus supports N logical-address-to-physical-address mapping tables different from each other simultaneously, wherein N is an integer greater than or equal to 1. The method comprises: receiving identity information for a user from the electronic device; determining a first logical-address-to-physical-address mapping table corresponding to the user based on the identity information; and assigning the first logical-address-to-physical-address mapping table to the user.