Regeneration of tartary buckwheat seedlings is a new cultural technology concerning One-year-two-harvest of tartary buckwheat. Buckwheat was planted 30-40 days ahead in a frost-free period of 120-130 days in main buckwheat-producing regions so that the soil can be made full use during dormant phase. Then, buckwheat can be harvested twice. Firstly, when the tartary buckwheat seedlings grow up, it could be harvested during bud period to the beginning of florescence as a green vegetable. And then the tartary buckwheat grains were harvested after autumn. The technology allows farmers increase production of buckwheat, extends the processing industry chain of agricultural product and promotes economic growth in rural origin. Through introducing and trial planting tartary buckwheat variaties of Heifeng1, Hunan7-2, Ding 98-1, 2518, Liner, Huating, Zhuanglang, Tongxin, Gewan. et. al were selected for seeding regeneration.