Popular literature is folk literature, is it accurate?

Popular literature:

It is the general name of popular literature, folk literature, popular literature and oral literature, and it is the mother of all literary works. In China, ancient ballads, myths and fables in the pre-Qin Dynasty, Yuefu folk songs in the Han Dynasty, strange novels in the Jin Dynasty, legends, essays and scripts in the Song Dynasty, southern operas and Zhu Gong tunes in the Song Dynasty, zaju in the Yuan Dynasty, Zhang Hui novels, folk songs and jokes in the Ming and Qing Dynasties, new yangko in the period of the New Democratic Cultural Revolution and epics of ethnic minorities all belong to the category of popular literature.

Therefore, popular literature is a relatively serious literary concept.

Folk literature is a part of popular literature.