The beauty and tranquility of nature have a crucial impact on people's physical and mental health. It can relieve people's stress. When people are in it, their body and mind will be relaxed, and the emotions of tension and anxiety can also be alleviated. At the same time, it can improve people's emotions. Appreciating the natural beauty will bring a sense of pleasure, enhance positive emotions, and reduce depressive emotions. The tranquility of nature can also enhance people's concentration and make it easier for people to focus. In addition, it is beneficial to promoting sleep and allows people to obtain a better sleep quality in contact with nature. Moreover, it helps to improve immunity and regulate the body's functions. Finally, it can enhance people's sense of happiness, making people feel the close connection with nature and thereby enhancing the overall sense of happiness.