World Horticultural Exposition was the first of its kind in Kunming Expo 99. The herb garden organically combines traditional Chinese medicine, the precious cultural heritage accumulated by the Chinese nation over the past five thousand years, with the rich and colorful medicinal plants in Yunnan, and shows the characteristics and connotation of traditional Chinese medicine to visitors at home and abroad in the form of gardens. The design of the herb garden reflects the traditional Chinese garden style in the south of the Yangtze River, showing that the three-dimensional landscape painting model is mainly based on the cultivation of precious and rare herbs and commonly used traditional Chinese medicines, and strives to reflect the "trees are herbs, plants can cure diseases, and flowers bloom every month." Step by step is the landscape ", and form a landscape of culture, ecology and traditional gardens, closely linked to the Expo theme of" man and nature. The layout of the herb garden is divided into: the national rare and precious medicine area, Yunnan specialty medicine area, commonly used traditional Chinese medicine area, ethnic medicine area, medicinal flower area, etc. More than 430 kinds of herbs are planted in the whole garden, among which rare and precious medicinal plants include ginseng, Cepheotaxus fortunei, ginkgo biloba, Eucommia ulmoides, yew, dragon's blood tree, etc. Yunnan specialty medicinal plants include Panax notoginseng, Gastrodia elata, Angelica sinensis, etc. Commonly used medicinal plants include Magnolia officinalis, Huanglian, Polygonum officinalis and Rhei.

Herb Garden. Traditional Chinese medicine has learned from the Book of changes and the Taoist theory that "the sky is yang and the earth is yin". The Taiji diagram proves the long history of traditional Chinese medicine in China. There is a small slope behind the picture, called "Baiyaoshan". As the name implies, hundreds of herbs are planted here. On the side of "Baiyao Mountain" is a large gourd frame, called "medicine gourd" ". In ancient times, the gourd and the bronze bell were the image representatives of the doctor. Each gourd is equipped with medicine for curing diseases. Later, with the development of society and the progress of the times, the medicine gourd was gradually replaced by the medicine box.