Monday: 15: 00 ~ 2 1: 00, Tuesday to Sunday, holidays: 9: 00 ~ 2 1: 00. According to the announcement issued by Shenzhen Longgang Library, the opening hours of Shenzhen Longgang Library are: Monday: 15: 00 ~ 2 1: 00, Tuesday-Sunday, holidays: 9: 00 ~ 2 1: 00, 24-hour self-service library, 24-hour outdoor book return machine. Longgang District Library of Shenzhen is a cultural and broadcasting center directly under Longgang District. The library has been devoted to the collection, arrangement and publicity of local documents for a long time, and established the Hakka Literature Collection Center on 20021. Up to now, there are 2,609 kinds and 4,337 volumes of local documents collected by the museum in various forms.