You can play along the route of Shenzhen-Lijiang-Dali-Kunming-Shenzhen without going back. Six days, three days in Lijiang, two days in Dali and one day in Kunming.
D1- Lijiang, arrive in Lijiang, and visit Shuhe Ancient Town after check-in. Suggest to stay in Shuhe.
D2。 One-day tour to Lijiang, Yulong Snow Mountain, Blue Moon Valley and Baisha Ancient Town.
D3 One-day tour to Tiger Leaping Gorge, Shigu Town and Lashihai.
D4- Dali takes the 8: 00 am train to Dali, arrives at Dali, takes a bus to the ancient city, and starts to visit Cangshan, Chongsheng Temple and the ancient city in the afternoon.
Go to D5 in the morning, rent a car to visit Erhai Lake, Xizhou, Sea Snake, butterfly spring, Shuanglang, Dig Color, etc. In the evening, return to Dali Railway Station and take the 10: 00 The train to Kunming.
Arrive in Kunming in the morning, and arrange to visit Cuihu Scenic Spot, Dayun, Army Martial Arts College, Longmen Dianchi Scenic Spot in Xishan, etc. according to the return time.
The above suggestions are for your reference. If you have any questions, please keep asking. Have a nice trip.