Selenium-rich nutrition powder produced by adopting selenium-rich rice and preparation method of selenium-rich nutrition powder

The invention discloses selenium-rich nutrition powder produced from selenium-rich rice and a making method thereof.The selenium-rich nutrition powder is made from the selenium-rich rice, selenium-rich black beans, carrots, green vegetable leaves, black sesame, corn flour and selenium-rich yeast, and impurities are removed; performing primary washing; primary air drying; frying the materials; cleaning for the second time; performing secondary air drying; performing drying; performing grinding; performing sieving; performing mixing; sealing and storing; rice hulls in selenium-rich rice, bad seeds in selenium-rich black beans, carrots containing black rot and yellow leaves of green vegetable leaves are cleaned, cleaning is conducted twice before and after the step of dry frying of the selenium-rich rice, the selenium-rich black beans and the black sesame seeds, and air drying work is conducted after cleaning, so that the ground selenium-rich rice, the selenium-rich black beans and the black sesame seeds have go