In 2021，“carbon peak” and “carbon neutral” have become hot market topics. Relevant data show that the emission problem in the automotive field will be the focus of “carbon neutral” in the medium and heavy vehicles. Hydrogen fuel cell vehicles，with their high energy efficiency and low emissions，will have considerable advantages in terms of carbon emissions. This report tracks and analyzes the latest progress of the carbon emission related management system，and makes a prospect of the new energy carbon trading market in this context. At present，this field is still in the development stage of the industry. Related technologies are in the process of continuous optimization and improvement，and the carbon emission data of the industry is still accumulating. This report makes a technical analysis of carbon emission from vehicle hydrogen in order to provide reference for relevant personnel.