| With the continuous progress of science and technology,smart phones have made a breakthrough development,with intelligent,humanized and powerful features,according to the data company’s latest forecast,smart phones in China’s market share will reach 90%in the future.A wide range of applications in smart phones,can solve a variety of daily life problems for us.The more frequency users contact mobile interfaces,user-centered interactive experience design continues to strengthen,the more emphasis on interface interaction design is put.By theoretical research,data collection and examples of meal service design apps,this paper analyzes the existing meal service apps problems.Then on the guidance of user-center experience interactive design theory,besides on the analysis of user s demands,the paper creates human characters and designs the man-machine interaction interface of the meal service system,in order to improve the productivity of understanding information and simplify the operation process.This paper mainly introduces the four following aspects of the mobile app of "sit down and order meal":topic s reasons and value,the interactive design of the system interface,research on system interaction design innovation,and interactive design outlook. |