Lin Yitong endorsement vermicelli is useful. Lin Yitong is a well-known anchor with goods, and the products she recommends have a high influence among consumers. Small vermicelli is a product recommended by Lin Yitong. It is a dietary fiber supplement with the functions of regulating intestinal flora, promoting nutrient absorption and improving diarrhea. Therefore, it is useful for Lin Yitong to endorse vermicelli.