baqingjiaobingchaoshangbaizaigangnei，yicengqingjiaoyicengsha，meicengshadehouduyibujianqingjiaoweizhun，yizhibaidaojingangkouchu，shangmianyongliangcengniupizhifengyan，fangzaiyinliangchu。gangzhuqingjiaozai0℃條件下
，可貯存2個月。   
  

2
、草木灰法 

在室內牆根處鋪上一層3—5limihoudecaomuhui，bajingguotiaoxuandeqingjiaojunyundibaizaishangmian，meifangyicengqingjiao，shangmianjiusashangyixiecaomuhui。zheyangzhuzang，bujinkeyibaochiqingjiaodecuilv
，erqiekeyicunfangxiangdangchangdeshijian。