Guizhou sour meat stored for 20 years is generally not rare. In Guizhou can eat more than five years of sour meat, it must be very lucky, after all, the host family usually do not want to eat. In rural Guizhou, New Year's households will kill pigs, a head of a hundred pounds of pigs, you can make a lot of food out of pork, and can not eat it all will be used to smoke bacon, pickled sour meat, which is from ancient times down the pork preservation methods, even if you put a few years can still eat, and will be more flavorful oh. This sour meat is made of raw pork, wrapped in a mixture of chili powder, glutinous rice flour and salt, packed into the altar can be.