What does red bean literature mean?

This is a literary publication. Red beans are acacia things, shaped like a small red heart, so they are called red beans. Red beans is a short story by Zong Pu, which was first published in People's Literature No.7 in 1957. Red bean (monthly) was founded on 1972, which is a literary publication headed by Nanning Federation of Literary and Art Circles and sponsored by Nanning Federation of Literary and Art Circles, and has been completely revised since the end of 2002.