The environment which we live in, most people take two-third part of time stay in the inside environment. However, with the rising of the population, our inside environment become more and more crowed, people’s comfortable feeling of stay inside disappear gradually. So the issue is begin with researching the people’s impression to the color, sharp, size in the space to investigate the several problem in the interior design of the small-size space. How to use the color to make visual harmonious? How to seize the space disposition to foil the atmosphere of the whole environment due to make the comfortable visual and good feeling while we enter into the room? How to use seize the yardstick of the space to make people get the maximal comfort in the sense and visual. The ultimate propose is to make people’s living environment become more comfortable, harmonious, satisfaction.