Folklores in historical books and records

Folklore research based on ancient books. Mainly discuss historical folk customs. According to the records of ancient books, history, classics, anthology, local chronicles, notes, novels, poems, operas and other ancient books and historical documents, it is secular to link them, compile, sort out, identify, sort out, comment, summarize, synthesize, analyze, study and classify them, so as to reproduce the features of a certain historical period, or to examine the historical development of a certain folk custom. Jiang Tingxi's Complete Works of China and Fang Shu and Collection of Years Old in Qing Dynasty are works of literature and folklore.