Focusing on the problems and deficiencies in the current rehabilitation process of drug users, this proposes to integrate the government, family, social workers and other multi-sector resources based on Internet + technology communication, and uses artificial intelligence (AI) and blockchain technology to identify the emotional identification of drug users, achieving early warning of drug users and reducing and reducing relapse, and builds the construction of the evidence chain of withdrawal rehabilitation. This management model breaks the concept of routine judicial intervention of drug users, and takes the needs of drug users as the core of management, deploys related services and support resources, and provides new ideas for drug users to cultivate their confidence in returning to society.