Sichuan is located in the Yunnan-Guizhou-Sichuan Plateau, and most of its population is in the monsoon region. The humid air from the south and the cold wind from the plateau climate form a cold and humid wind zone. Living there all the year round, people will get many cold diseases. Simply put, nature has a wonderful function, where peppers have the driest and strongest characteristics. Smart Sichuanese found that this kind of dry and powerful pepper can not only help people get rid of wet and cold, but also bring out a wonderful taste, so pepper culture came into being.