房屋租赁管理系统 ：对系统的访问，必需进行身份验证，可以在密码不小心泄露之后进行密码修改，建立客户资料档案；建立房屋资料档案，建立方便的查询系统等。-Tenancy Management System: access to the system, necessary to authenticate, you can accidentally divulge the password after password changes, build customer data files　build housing data files, set up to facilitate the query system.