Keep in a dry place to prevent mildew and moth. According to the "Shaanxi Traditional Chinese Medicine Chronicles", because Salazi contains aromatic oil, it needs to be kept in a dry environment to ensure the quality and storage time of its aromatic oil. Therefore, it must be stored in a dry place to prevent mildew and moth. Also known as Suluozi and Lengluozi, it is the seed of the horse chestnut tree of the Aesculus family. Deciduous tree, up to 25m high, distributed in Hubei, Hunan, Sichuan, Guizhou, Shaanxi and other places.