This research discusses about Feng-Shui and its effect to interior design. The study focuses on the related concepts and attitude toward general people. The researcher applies several analyses, including average, standard deviation, and variance analysis to the answers retrieved from subjects participating in the survey of "Relevant Attitude toward Feng-Shui and Engineering Behavior." The analyses are proceeded in both the overall and separated layers' prospect. The results are as following: 1. To general people, there is no difference between gender and the degree of being influenced by the concept of Feng-Shui. 2. To general people, the cognitive attitude toward Feng-Shui develops when they age. 3. The higher education general people get, the more cognitive attitude toward Feng-Shui they have. 4. The concept of Feng-Shui shows no relevant difference among the Catholics, the Christians, or atheists while it relevantly influences people who believe in the folk religion, Taoism, or Buddhism. 5. People who ask Feng-Shui are relevantly influenced by the concept of Feng-Shui.