I have to. According to the information of official website in Quancheng study, you don't need to make an appointment to enter and leave Quancheng study. You must bring your ID card and brush your face to enter. Quancheng study, Quanfu branch of Jinan Library, as the first open Quancheng study in our city, is the first-class garden-style urban landscape study in China and the largest in the province.