1. Qinghai Lake-Xining: Hu Hai Scenic Area is more than 3,000 meters above sea level, with comfortable temperature, blue lake and spectacular plateau scenery. This is a good place to spend the summer. In Xining, you can taste delicious food, learn about Tibetan culture and visit Mangya Grassland, one of the three grasslands.

2. Chaohu-Hefei: Chaohu Scenic Area is surrounded by mountains and waters, and the water town is rich in customs. You can enjoy water sports and rafting in summer, and the bicycle lane around the lake is also a highlight. In Hefei, you can visit China Science and Technology City, show China's scientific and technological achievements through interactive exhibitions, and learn about the development of science and technology.

3. Chengdu-Jiuzhaigou: Chengdu is a city of food, and you can taste all kinds of authentic food. Jiuzhaigou is known as a "fairyland on earth", with fresh mountain breath and beautiful scenery. There are many scenic spots in the ditch, such as the Red Sea, the Panda Sea, the Changhai Sea and the Wuhuahai Sea. And Jinghai, Rizegou and Sleeping Longhai. You need a short walk to enjoy it.

4. Yunnan-Dali-Lijiang: Yunnan has unique and spectacular landscapes, simple folk customs and perfect tourism infrastructure. Dali has a romantic ancient city and beautiful scenery of the Golden Lotus Sea, while Lijiang has the world's longest Shuhe Suspension Bridge, Old Town of Lijiang and other famous scenic spots all over the country, so it is an excellent choice to visit Old Town of Lijiang at night.

5. Changbai Mountain-Changchun: You can see alpine coniferous forests, glacial lakes and beautiful virgin forests in Changbai Mountain. There are Tianchi and Changbai Mountain in the tourist area, and you can stroll in the birch forest. In Changchun, you can feel the culture of Nanman Railway, visit the world of ice and snow, and eat authentic Jilin Daoxiao Noodles.

When planning the summer vacation travel route, you can consider many factors such as temperature, scenery, food, local culture and so on, and choose the right destination according to your own preferences and time. In addition, planning the route in advance, knowing the local traffic and accommodation, and paying attention to sun protection and health care can make your trip more comfortable and enjoyable.