Aitiao is always known for its Dongting long stem, thick and velvety leaves, making it an excellent raw material for making golden moxa velvet throughout history. Dongting has a superior geographical location and is known as the "land of fish and rice". The climate is humid, and mugwort is dense and prosperous. Its high-quality mugwort sticks are most suitable for moxibustion, and have been trusted by imperial doctors throughout history and widely used in the palace