Method for dyeing real silk fabric with beet root powder

The invention discloses a method for dyeing a real silk fabric with beet root powder. Dyeing liquor is prepared from the beet root powder, natural loess powder, acetic acid and the balance of water. Wherein the beet root powder accounts for 4.0 g/L-5. 0g/L of the total amount of the dye liquor, and the natural loess powder accounts for 2.0 g/L-3. 0g/L of the total amount of the dye liquor; the pH value of the dye liquor is adjusted to 5.5 by acetic acid, the real silk fabric is dyed by the beet root powder, and the color fastness can reach 4.0 grade. 本发明公开了一种甜菜根粉染色真丝织物的方法，染液的组成包括甜菜根粉、天然黄土粉、醋酸和余量水；其中，甜菜根粉占染液总量的4.0g/L～5.0g/L，天然黄土粉占染液总量的2.0g/L～3.0g/L；所述染液的pH值由醋酸调节至pH＝5.5，真丝织物经甜菜根粉染色，色牢度可达到4.0级。