Parking fee 4 yuan/hour. According to relevant information, the charging standard of Nanjing Yiwu Small Commodity Parking Lot is: free for half an hour, then 1 hour in 4 yuan, 3 yuan/car every half an hour from the second hour, and 50 yuan every 24 hours. If 1 hour is less than 1 hour, it is counted as 1 hour; 1 hour, counting as half an hour; If it exceeds 15 minutes, it will be counted as half an hour. Military vehicles, police cars, fire engines and ambulances performing official duties are free of parking fees.