Abstract: Nondestructive testing technology plays an indispensable and important role in the petrochemical industry, and is an important technical support means to ensure the quality and safety of large-scale petrochemical equipment products. This paper reviewed the development status and progress of nondestructive technologies in the petrochemical industry and introduced the important role of nondestructive technologies in the related field of large petrochemical equipments. Starting from the actual work, this paper summarized and analyzed the application progress of some new nondestructive testing technologies, and proposes the main development trends and directions of non-destructive testing technologies in the future petrochemical industry.