The purchase of Yangchengtong is still very convenient: 1. Yangchengtong recharge point, which is available in some subway stations, and there is a convenience store in Kecun (7 children and the whole family have it, and some are unknown, which are generally attached and can be recharged). 3. Self-service card purchasing machine. Some subway stations have subway purchase machines. In addition to Yangchengtong, you can also buy commemorative editions, one-day tickets and three-day tickets, which are suitable for short-term tourists.