The paper intends to sort out the digitization process of today's cultural heritage, summarize the digitization process system, analyze visualization cases, and provide visualization ideas and suggestions for cultural heritage protection and inheritance, in this way to explore the future development direction of cultural heritage digitization. From the perspective of cultural heritage digitization, the paper collects and analyzes relevant domestic and foreign literature to sort out the digitization process system with today's digital technology, and carry out collection, analysis and summary for the domestic cultural heritage visualization cases. The significance of digitization for cultural heritage protection and inheritance is clarified, and the current development of cultural heritage digitization and the processing system of digitization are concluded; summarizing the laws from various aspects such as data information, target users, classification, and diagrams of cultural heritage visualization presentation and choosing the appropriate visualization presentation form for different cultural heritage subjects can help the public to understand the contents of different cultural heritage quickly and easily, and put forward the prospect of the future development direction of cultural heritage digitization.