The invention discloses a decoration business management system aiming at work leader, namely in the field of decoration, the work leader engaged in decoration business can realize online management of construction site workers, construction progress, engineering quotation, engineering orders and product cases. Decoration business management is taken as a core, seven modules such as construction site management, work recording and accounting, quotation systems, communities, case management, product libraries and order management are developed, personalized tools such as calendar, message reminding and memorandum are taken as auxiliary tools, and an integral evaluation system is introduced at the same time. The invention mainly solves the problem of helping the work leader solve the business management problem, realizes intelligent management of workers, construction sites, quotations, work recording and accounting, decoration cases and the like, and performs daily management of projects by means of the Internet. Upstream and downstream industrial chains are broken through by integrating relevant service resources of the decoration industry, and the requirements of project management, social information and the like generated by an industrial leader in the project management process are met; and more artificial intelligence services are provided for the work leader through the big data.