2 yuan /0.5 hour. Official website of Sichuan Library shows that the charging standard of parking lot in Sichuan Library is 2 yuan /0.5 hour. Sichuan Province, referred to as "Sichuan" or "Shu" for short, is the provincial administrative region of People's Republic of China (PRC), with Chengdu as the capital, located in the southwest of China and the upper reaches of the Yangtze River.