The documents required for going to the north, Guangzhou and Shenzhen to do housekeeping are: at least one domestic service worker. Then see where you plan to develop. If you want to be a lunar new year, you have a lunar new year's certificate, a prolactin's certificate, a nanny's certificate, an early education certificate, a chef's certificate, a gourmet cooking certificate, and a housekeeper's certificate and a senior housekeeper's certificate, depending on your needs. Certificates are a stepping stone. You can't find a job without a certificate. You have to have real skills to make money.