KFC vouchers can be used on the app. KFC vouchers can be used on KFC APP because KFC has specially developed corresponding functions to improve customers' consumption experience and facilitate customers to use vouchers. Customers can easily find and use coupons on KFC APP, which not only simplifies the ordering process of customers, but also improves customer satisfaction. KFC is a world-famous fast food chain brand, famous for its delicious fried chicken and Liu Yong fast food. Founded by Colonel Harland Saunders in Louisville, Kentucky, USA on 1952, the brand has become one of the largest chicken chain restaurants in the world, with more than 20,000 stores in more than 40 countries and regions around the world. KFC's iconic product is the original finger sucking chicken nuggets. This is a kind of fried chicken with special formula and cooking technology. It tastes delicious and juicy and is deeply loved by consumers. In addition, KFC also provides various hamburgers, French fries, carbonated drinks and its fast food in Liu Yong to meet the taste needs of different consumers. In China market, KFC has achieved great success and become one of the most popular western fast food brands. In order to satisfy the tastes of China consumers, KFC has introduced many products with China characteristics, such as old Beijing chicken rolls and Sichuan cuisine.