With the continuous changes of people's office habits, modern office supplies gradually focus on humanized design and research, starting point of people-oriented. Explore people's needs in a positive way, explore various potential desires, use the overall concept of the system, and integrate emotional needs, ergonomics, aesthetics and environmental factors into a comprehensive analysis. Paper shredder is an indispensable modern office supplies, used to divide confidential documents into small pieces. Nowadays, the application of shredders has become more and more extensive. 

Almost all companies and institutions have purchased shredders, such as industrial and commercial enterprises, schools, government departments, financial institutions, etc., shredders can not only help these institutions to maintain confidentiality The function of the document, at the same time makes the modern office environment more clean, provides security for these institutions and companies. Combining the design and function planning of the pulverizer, the application and research of humanized design are discussed around the modeling semantics and material selection of the three elements of function, shape and material. Chinese people most desire symmetry, rhythm, balance, rhythm, form and color. And the material and process requirements are also quite particular. The design should achieve a combination of applicability and harmony. Any successful art has something in common, but it is all contagious. In the design of shredders, traditional diversity and uniform rules, proportion and scale, rhythm and balance are indispensable.