Cheng Peng is the first popular science writer to introduce bulletproof coffee and the relevant dietary concepts in China, and he promoted the rapid growth of low-carbohydrate diet in China. Cheng Peng has devoted to practicing low-carbohydrate and gluten-free diet for long time. He has been responsible for many Internet companies' business including operating, marketing, product designing, etc. In the end of 2015, he set up the Beastlife, created the matrix of low-carbohydrate products with the core of bulletproof coffee, and established its brand fans community with over one hundred thousand people through content operation.