Our sense of smell lasts the longest in our minds. Our minds link the smell of a place to certain memories in the past with emotions and categorize the impression of a place we visit the first time. Choices of Indoor fragrance is essential to make a good impression. The key to promote the atmosphere in every functional space is to set up a variety of fragrance in different areas. Every smell brings our minds to transcend over space and time to feel the breeze of the sea, the fresh air of a forest, the sweet smell of a strawberry that was tasted the first time when we were children.