Abstract: Color is an important factor in the indoor environment . In different indoor environments, the use of color may be affected by environment, the use of function space.Different hue, tone, let people have different psychological and physical feelings. Only the appropriate use of color, to make room for the practicality and artistry to achieve unity. This article explores the effectiveness of interior design and interior color color personality. Color match from the start, from the properties of color and color psychology to the analysis of color use in interior design. Analysis of the basic principles of color design, Combined with the subject of graduation, "women beauty and fitness center," Interior Design, From all functional areas with color and use, to reflect the use of color in interior design in an important position.