not free. Nanchang Longhu Tianjie Shopping Center parking lot, a single parking for 3 minutes is free, and more than 3 minutes are charged according to the actual parking time; Every 3 minutes in 2.5 yuan within 2 hours during the day (8: to 17: 3) and every 3 minutes in 3 yuan after 2 hours; At night (from 17: 3 (inclusive) to 8: the next day (inclusive)), every train in 2.5 yuan within 2 hours, and every train in 5 yuan after 2 hours. Nanchang County belongs to Nanchang City, Jiangxi Province, located in the north-central part of Jiangxi Province, on the shore of Poyang Lake, surrounded by the provincial capital Nanchang on three sides. The total land area of the county is 181.7 square kilometers.