Xanthan gum can be widely used as salt/acid resistant thickener, high efficient suspension agent and emulsifier, high viscosity filling agent in various food and beverage. It can not only enhance the performance of water-keeping and shape-keeping, but also improve the freeze/thaw stability and taste of food and beverage products. Meanwhile, Xanthan Gum can extend the shelf life of products, simplifying the filling and sterilization during the course of production and save lots of production cost and increase the profit rate.