介绍了湖泊网栏养蟹场地的选择、网围的设计与制作 ,蟹种放养、饲养管理以及商品蟹的捕捞等技术措施。要选择放养纯正蟹种 ,放养密度要适当。经常检查围网是否有破损 ,网围内要有一定面积的水草、底栖动物和虾等 ,投饵要科学合理 ,河蟹蜕壳前要在饲料中添加蜕壳素 ,向水体中适量投放生石灰 The paper introduces the selection of cages in lakes, the design and manufacture of nets, the stocking of crabs, the feeding and management, and the fishing of commercial crabs. To choose pure stocking crabs, stocking density should be appropriate. Often check whether there is damage to the fence, the fence must have a certain area of ​​aquatic plants, benthic animals and shrimp, feeding should be scientific and reasonable, before the crab molting in the feed to add the echinacea, to the water amount of quicklime