Abstract: An intelligent synthesis method and system for Cantonese speech based on electroencephalogram emotion measurement relates to the technical field of intelligent speech synthesis. The intelligent synthesis method includes: S1. acquiring data; S2. labeling data; S3. preprocessing data; S4. training an electroencephalogram emotion measurement model; S5. training an emotional speech synthesis model; and S6. performing speech synthesis. The intelligent synthesis method and system proposes an electroencephalogram emotion measurement model and an emotional speech synthesis model.