1. refers to the wind generated by air and airflow. Selected Works of Song Yu: "If you entrust others, the atmosphere will be different." Lv Xiang's note: "Although it is the same as supporting the tiger's point, it is also very muddy." In the Northern Wei Dynasty, Li Daoyuan wrote "Notes on Water Classics and Four Waters": "There is a windy mountain in the west forty miles, which is like a hole in a wheel. The atmosphere is bleak and the habits are often reversed. " Qi's Preface to Visiting the Ancient Times: "It is fun to be an official outside; With its atmospheric beauty, there are mountains and rivers, and no fish, rice, tea and bamboo shoots are spared. " Chapter 7 of Kang Youwei's "Walking in Great Harmony": "But cavemen live in valleys and the atmosphere is impassable, so they are not suitable for life, while peace and bliss live on the top of the mountain and the atmosphere is everywhere, so they are the most beneficial to health." 2. Climate. "Preface to Shangshu": "It is said that the whole of Kyushu is suitable for land and gas, and it is all in this book." Hanshu Biography of the Western Regions: "The atmosphere, objects and folk customs of the land are the same as those of Wu Yi and Corbin." Song Hongxun's "Notes on the Valley": (Zhou Junshu) At 12 o'clock, I got a bamboo root in a certain state, and my family was not born in the ground, which is suitable for the atmosphere and I won't shoot bamboo for a long time. And bamboo shoots, how haggard and not lush. "Yuan Hu Bu Shi Mai": "The ancients legislated to collect taxes, which must be born in its place, and the atmosphere should be taken for granted." 3. Fashion and customs. Biography of Shu Wei and Li Yan: "Although Yan Zhi's career is Confucianism, some people say that my family will grow stronger, which is still related to the western atmosphere." Su Songzhe's poem "Serving Qidan Yanshan Mountain" says: "Residents have different customs and have learned to fight agriculture since ancient times." Act II of Xia Yan's Biography of Qiu Jin: "When I arrived in Shanghai, I felt the atmosphere was a little different." It refers to a new fashion custom.