Answer: After logging in to the "Yueju Code" system through the WeChat public account "Shenzhen Public Security" or "Yueju Code" applet, click "House Management", click "House Information" and follow the prompted process. The first step is to fill in the "address information" ("declaration type", please select "single house" or "whole building", "detailed address" according to the actual situation You can manually enter or click the scan icon to scan the QR code of the house's doorplate to obtain), the second step is to fill in the basic information of the house, the third step is to upload the house photos and property certification materials, and finally click "Submit" to complete the declaration.