The purpose of this study is to determine the thinking and interaction process between human and computer,researcher had found that the brain of humans can store a huge amount of data or information as the human brain is an incredible processing machine In this paper, you’ll learn how human factors and psychology influence design and User Interface(UI) and User Experience(UX) is a combination of designing thinking and strategist,they makes the product and technology easier to recognizable, more enjoyable, and useable to everyone As the technologies like Internet of Things, mobile application, websites have advanced thought UI/UX researcher has played a major role for consumers and growth of businesses, and interface technologies are expected to be developed in the future too The UI-UX process bonds the relationship between the user and the product over long periods of time and make the product to accordingly to customer satisfaction and loyalty you’ll also explore the different research methods, Integrating research into the design process, Empathizing with users and defining pain points,user stories, and user journey maps, Defining user problems.