1. The earliest train from Shenzhen to Xiamen arrived at Xiamen North Station at 10 o&;clock. ; Clock.
2. You can take the express train at Xiamen North Railway Station for about 957 minutes, get off at Dudong Station, walk for about 10 minutes to Gu Xia Pier of Cruise Center, and take a boat to Gulangyu Island (book tickets in advance). You can spend a little more than half a day visiting Gulangyu Island and return to Xiamen Island at about seven or eight o&;clock. ; Clock. You can also go for a walk on Zhongshan Road.
3. Book a one-day trip to Huoshan Island, and a one-day trip to Huoshan Island.
4. On the third day, you can visit Xiamen Huandao Road, Xiamen University, Nanputuo, Botanical Garden and other places, or find some favorite spots to visit.
5. It is recommended to take a bus from Xiamen to Shenzhen after 6 o&;clock Clock, so that you can arrive at Xiamen Railway Station at 5: 30. If you take a bus from Xiamen North Station at 7: 00 or 8: 00, you should leave Xiamen Island around 6: 00. ; Clock so as not to miss the departure time.
For your reference, I hope it will be helpful to you.