Six walnuts are a kind of drink, which tastes delicious. "If you use your brain often, you will drink six walnuts." This brainwashing classic advertisement is deeply rooted in people's hearts. It has turned six walnuts from a local brand in Hebei into a national famous trademark, and it seems that it has spread all over the country overnight, and it has also made Yangyuan Beverage a leading enterprise in plant protein drinks in China.