广西桂平甜茶又名罗汉茶 ,为胡桃科植物黄杞ＥｎｇｅｌｈａｒｄｉａｒｏｘｂｕｒｇｈｉａｎａＷａｌｌ.的干燥叶 ,具有清热解毒、生津止渴、解暑利湿的功效 ,常用于脾胃湿滞 ,胸腹胀闷、感冒发热等 ,为桂平凉茶的原料之一。为了保证安全有效和合理开发这一药物资源 ,在其叶主脉 Guangxi Guiping sweet tea, also known as Luohan tea, is a dried leaf of the walnut plant Astragalus Engelhardiaroxburghiana Wall. It has the effects of detoxification, thirst quenching, and antipygosis and dampness. It is commonly used for spleen and stomach stagnation, chest-abdominal distension and cold, and fever. Guiping herbal tea is one of the raw materials. In order to ensure the safe, effective and rational development of this drug resource,