Which subway parking lot near Nanjing Children's Hospital is cheap?

Nanjing normal university parking lot. According to Baidu map, the parking lot of Nanjing Normal University near Nanjing Children's Hospital is cheap. The charging standard for social temporary vehicles is free parking within 30 minutes, and charging will start after 30 minutes. The billing unit is hours. Two yuan per hour from 8 am to 8 pm, and one yuan per hour from 8 pm to 8 am.