以形态命名:如牛膝,因其茎节粗而膨出,状似牛的膝关节而得名;白头翁则以其“近根处有白茸,状似白头老翁”而得名;狗脊的根上有金黄色的茸毛,酷似狗脊而得名。以气味命名:有酸味的酸枣 Named as a form: such as Achyranthes, because of its stem thick and bulging, shaped like a cow named after the knee; Pulsatilla is its “near the roots of white velvet, like the white man ” named; The root of the dog ridge golden hair, exactly like the dog ridge named. Named after the smell: sour jujube