Now that personalized customization has become a fashion and trend, personalized customization has upgraded the brand quality and culture of enterprises. In the new economic era led by big data, if enterprises can timely obtain and meet the personalized needs of different consumers, they will take the initiative in the new economy. This paper takes the case of obtaining users" personalized and customized requirements for ceramic products through the network and digitizes the components of ceramic products and stores them in the cloud server, realize online free 3D composite design of ceramic products with Web3D technology, at the same time, the cloud decoration pattern library resources or online independent design of decorative patterns are used to carry out pattern decoration on ceramic products, and establish the mathematical model of correlation degree between pattern resources and shape, to help ordinary users to improve the beauty of ceramic product design works. Online interactive decorative pattern design USES the interactive object model provided by fabric. js on Canvas element to realize the generation and editing of decorative patterns, image filter transformation is realized by convolution operation in pattern editing. By establishing the mapping relationship between the design pattern canvas and the ceramic 3d model, the virtual display of ceramic 3d model with strong sense of reality is generated. The research results can be used for online 3d interactive customization and display promotion of ceramic products, which can not only meet consumers" requirements for personalized customization of ceramic products, but also create a new marketing mode for the current ceramic market, so as to achieve the growth of sales.