The scope of this article is to use the method of Semantic Differential（S.D.） to discover the different testing people on the adjective of the appraisal of modern architecture façade style, whether it will be influenced by the cognition diversity or it will arise the collective appraisal elements. The investigation objects are located on the 1st category housing in Tai-chung 7th re-planning district, the specific investigation results are: 1. There is a significant difference of the cognition（differential degrees）of the architecture façade for the testers. The architecture façade style factor analysis shows its value and interpretable variance is a positive value. 2. The effects of different testers on the architecture style feelings (strong and weak degree) have distinguished differences. The professional testers describe the characteristics of architecture façade are more specific and clear than the non-profession ones. 3. The evaluation (semantic performance) of the architecture façade is more obvious differential, especially in the modern style and classic style category. But the compromise style shows its characteristics are not obvious differences.