泻热生津、涩、收湿．

苦涩微寒．清上膈热．化痰生津．止血收湿．定痛生肌．涂金疮口疮．（硼砂等分．）阴疳痔肿．出南番．以细茶末纳竹筒．埋土中．日久取出．捣汁熬成．块小润泽者上．大而枯者次之．以上土类．