In the past the literati or noble women, when reading and writing, playing chess, Zheng Fu tea, love to add a burning incense, elegant charm, but also can purify indoor air. And according to different seasons and environment, burning different incense, such as summer and autumn season, burning more natural woody; in winter and spring, then burning spices powder with other materials made of incense. In order not to make the volatile oils, the fragrance separated, then is designed for small containers called incense, incense tube. This small incense tube, exchange with the old ivory carving, exquisite and unique, full of elegance and unique style exquisite perfume, is placed in the study desk, to show the best taste of the utensils.