From a very early age, there has been a saying that Qingming is "pork is too cm". The so-called "pig fat house embellish", that's because raising a big pig at home at that time meant a good standard of living, so every year in Tomb-Sweeping Day, the family would choose the biggest pig to worship the mountain to show their respect and good wishes to their ancestors; On the other hand, it's also a sign of glorifying ancestors to burn pigs big enough. At that time, people's lives were not rich. Only in Tomb-Sweeping Day, after the mountain sacrifice, did they have "pork is too cm", and everyone can eat meat, so the importance of Tomb-Sweeping Day is comparable to that of Chinese New Year.