What festival is the fourth day of the twelfth lunar month?

The cold solar term is full of joy and festive atmosphere, and it is a cheerful and relaxed solar term. The custom of this day is rich food. Weiya is a traditional folk festival in southern Fujian, the "end" of merchants' one-year activities and the "first sound" of people's Spring Festival activities. The second and sixteenth day of each month is the day when Minnan businessmen worship the land god, which is called "tooth making". February 2 is the first time to make teeth, called "head teeth"; 1February 16 The dentist was the last dentist, so it was called "tail tooth".