Project management method and system

Embodiments of the invention relate to a project management method and system. The method comprises the steps that a server receives project approval information input by a user; subject splitting is performed according to the project approval information to obtain a plurality of subprojects of different subjects, and each subproject is subjected to project flow splitting according to quality specification information to obtain project supervision list item data; a budget forecasting registration list and supervision work order data are generated according to the project supervision list item data; a mobile terminal device displays the supervision work order data as a supervision work order, receives quality control supervision information and field cost payout data input in the supervision work order by a supervisor, and sends the quality control supervision information and the field cost payout data to the server; the server generates a project actual progress management report, matches the project actual p