The invention discloses a colorful protein vegetarian sausage and a processing technique therefor. The colorful protein vegetarian sausage is prepared by taking soybean protein, fresh carrot cubes, sweet corn particles, black fungi, red beans, peas and the like as raw materials and vegetable oil, edible salt, white granulated sugar, monosodium glutamate, fermented soy sauce, sesame oil, spices, athickening agent, modified cassava starch, ice water and the like as auxiliary materials. The sausage has a novel and attractive appearance, and shows attractive multiple colors, and products are moreattractive and stimulate appetite, and stimulate consumption. According to the colorful protein vegetarian sausage, through roasting and smoking, a smoking color and a strong attractive odor are given to the products, and meanwhile, the surface crispness of the products is enhanced, and the competitiveness of the products is improved; and by rich combination of the raw materials, the eatable value and the nutritional value of the protein vegetarian sausage are greatly increased, the grade of the products is improved, and the needs of different consumers on novel foods are met.