Research on the Usability of Product Design

The usability design is also an important part in product design process. Product is a service, but we often confused about the operation of the product in our daily life. So far, the theoretical researches about the usability have been widely investigated. However, the methods of usability are seldom researched in the process of design. In this paper, easy to learn and easy to use of the product which are fully consider and won't have wrong operation in the design are advocated. Principles and affecting factors of usability are analyzed in the design. The methods of usability are proposed at the beginning of the design and in the process of late. According to the principles and influencing factors, it shows that the design method of usability is easier to design a rational product with high performance and practical value.