味甘咸温.入足太阴少阴经.功专浓肠胃.补肾气.多食闭气.小儿疳疮.生嚼敷之良.并止鼻衄.涂筋骨碎断.消肿痛.行瘀血.风干者佳.壳止便血.壳内薄皮治骨鲠.俱烧灰存性用.