The fatty acid composition characteristics and nutritional health care functions are introduced. The preparation technologies of cold pressed and hot pressed oils and the development channels of double-low rape seed oil are put forth. 介绍了双低油菜籽的脂肪酸组成及营养保健功能,双低菜籽油的冷榨和热榨两种制备工艺,提出了冷榨天然双低菜籽油和双低菜籽营养保健油的开发途径。