金银花为忍冬科多年生半常绿缠绕灌木,又名金花、银花、双花、二花、忍冬花,当地人们统称为花子,是常用的大宗中药材。除了直接供配方药用外,还是生产多种中成药和保健品的主要原料,每年还有相当数量供出口,全国每年正常需求量达550万～600万千克。该品在我国分布较广,主产于山东、河南、广西、湖南、云南、贵州、河北等省。其中以山东省的平邑 Honeysuckle winter honeysuckle perennial semi-evergreen winding shrubs, also known as Golden Flower, Silver Flower, double flower, two flowers, honeysuckle flowers, local people collectively referred to as Hanako, is commonly used in bulk Chinese herbal medicines. In addition to direct prescription pharmaceuticals, or the production of a variety of proprietary Chinese medicines and health products, the main raw material, there is a considerable amount for export each year, the national annual normal demand of 5.5 million to 6 million kg. The product is widely distributed in China, mainly produced in Shandong, Henan, Guangxi, Hunan, Yunnan, Guizhou, Hebei and other provinces. One of Pingyi in Shandong Province