The invention relates to the technical field of cooperative processing, and discloses a knowledge engineering method and device based on cooperative processing, and the method comprises the following steps: S1, carrying out the collection management and classification of materials, and obtaining a quantifiable knowledge source high-efficiency management material; s2, automatically allocating tasks of the same level according to the background of the knowledge engineer, wherein the knowledge engineer of the same level cooperates to complete corresponding tasks in task management; s3, automatically extracting knowledge, and converting the implicit knowledge into explicit knowledge. According to the method and device, by adding material management, task management implementation and knowledge extraction implementation, the problems that knowledge sources are difficult to classify, knowledge engineer backgrounds are different, consequently, knowledge quality is poor, multi-place cooperation is difficult to focus on, a verification mechanism does not exist, knowledge quality is poor, knowledge management is difficult, knowledge conversion has the problems of conversion from implicit to explicit, no labeling process, monitoring of quantitative indexes and the like are effectively solved..