Candidates of the owners' committee who submit online invoices in advance and collect feedback are called "self-recommended candidates". Candidate self-recommendation refers to the candidate recommended by the owner himself or other owners in the election procedure of the owners' committee. They can initiate initiatives, publicize, solicit opinions and other activities through the network during the solicitation stage of the election of the owners' committee, so as to enhance their popularity and gain more support from owners. This way can effectively promote the transparency, justice and fairness of the election of the owners' committee.