The invention discloses a purchase
full life cycle management method based on digital twinning, which relates to the field of purchase management, and comprises the following steps: firstly, analyzing purchase demands, analyzing records from different processes, and establishing digital twinning bodies in a
demand analysis stage; according to the method, the overall purchase information is updated in real time by configuring a
list and establishing the digital twinborn body, a target is provided for purchase, products introduced by market
data mining and prediction and suppliers thereof are scientifically matched with the digital twinborn body, a plurality of appropriate suppliers are selected, and a transaction stage digital twinborn model is established, so that the transaction efficiency is improved. Product orders are distributed among a plurality of suppliers, formed sub-order data are fed back to a management module in a supplier selection
management system, assessment, evaluation and rating of the suppliers are carried out, a circulation
route of supplier selection and management is formed, feedback among all stages of
purchasing is synchronized in time, the association degree of all stages of
purchasing is enhanced, and the
purchasing efficiency is improved. The purchasing quality is ensured and the purchasing efficiency is improved.