大白菜在零下2℃shengchangjiuhuishoudaodonghai，yincibixuzaidiyicihandongzhiqianqiangshouwanbi，shoucaiyoukancaiyubacailiangzhong
，kancaishiyongdaokanduanzhugen，yinshangkouda，kanhouyaoshaiganshangkou，shishangkouyuheyijianshaozhuzangzhongfulansunshi
，bacaishiliantongzhugenbaqi，shangkoujiaoxiaoyeyiyuhe，danyaojianggenbunitushaigantuoluocainengrujiao。

    白bai菜cai收shou獲huo時shi含han水shui量liang較jiao多duo，蘊yun含han熱re量liang也ye很hen大da，收shou獲huo後hou要yao經jing晾liang曬shai處chu理li
，以yi免mian入ru窖jiao後hou發fa生sheng高gao溫wen高gao濕shi引yin起qi腐fu爛lan
，晾liang曬shai是shi白bai天tian將jiang白bai菜cai整zheng齊qi的de排pai列lie在zai田tian間jian，使shi葉ye球qiu向xiang北bei，根gen部bu向xiang南nan先xian曬shai2～3天
，再翻過來曬2～3天，以減少外葉所含水分及使根部傷口愈合
，曬後再將植株堆砌成兩排
，根部向內
，葉球向外，兩排間留15～15厘米的間隙通風，繼續排除水分和降低體溫
，待天氣寒冷穩定入窖。