Mung bean sprouts were used as substrate, carboxymethyl cellulose and sodium alginate as film-former, glycerin as plasticizer. By orthogonal experiment, the film formula was optimized and membrane performance was determined. The result showed that when mung bean sprouts is 20. 0 g, carboxymethyl cellulose is 1. 5 g, sodium alginate is 1. 8 g, glycerin is 1. 5 mL, the formula is the best; the comprehensive performance of the edible film is very good. The mung bean sprouts edible film is convenient to eat and it increases nutrition. It has wide development prospect in environmental protection.