The invention discloses a system for processing construction information of an architectural decoration project. The system comprises a construction region establishing module, an information entry module, an information classification module, an information distribution module, and an information updating module. The construction region establishing module is used to determine and establish a construction region of a project object, so as to establish a part of information. The information entry module is used to input and establish a part of information of a construction project to a server platform and a logic processing module. The information classification module is used to classify input information into a plurality of categories according to setting. The categories are corresponding to a plurality of construction stages arranged in sequence. The information distribution module is used to distribute information in the different construction stages to different responsible parties. The information updating module is used to realize real-time update of the information and update the information to the server platform, until the construction is completed. Compared with the prior art, the system realizes segmentation, responsiblized, and comprehensive processing of construction information of a project, realizes induction and guidance on the construction process, so as to improve overall efficiency and quality of construction.