【炮制】    除去杂质，洗净，切段，干燥。                                                                    
        【性味与归经】    辛，热；有毒。归肾、肝、脾经。                                                    
        【功能与主治】    补肾阳，强筋骨，祛寒湿。用于阳痿精冷，筋骨痿软，腰膝冷痹
，阳虚冷泻。                                                                                                                                
        【用法与用量】    3～9g。                                                                                                  
        【贮藏】    置干燥处，防霉，防蛀。