July and August are hot summers, so it is suitable to choose some places with cool climate or summer vacation. The following are some suggestions:

1. Northeast China: for example, Harbin, Changchun, Shenyang, etc., where the summer climate is pleasant, is a good place to escape the heat. You can visit the Central Street in Harbin, Songhua River, or Jingyuetan National Forest Park in Changchun.

2. Yunnan: Kunming is known as the "Spring City", which is cool in summer and suitable for summer. In addition, you can also visit Dali, Lijiang, Shangri-La and other places to enjoy the unique natural scenery and ethnic customs.

3. Guizhou: The summer in Guiyang is cool and pleasant, and the surrounding scenic spots such as Huangguoshu Waterfall, Xijiang Qianhu Miao Village and Libo Seven Small Arches are well worth visiting.

4. Sichuan: Jiuzhaigou, Huanglong and Emei Mountain in Sichuan are cool and picturesque in summer. As the capital of Sichuan, Chengdu is also a good tourist destination, where you can taste authentic Sichuan cuisine.

5. Tibet: Lhasa and Linzhi have mild summers, and you can enjoy the spectacular Potala Palace, Namtso and other scenic spots. However, attention should be paid to altitude sickness and local climate characteristics.

these are just some suggestions, and there are many other beautiful places suitable for traveling in July and August. You can choose a suitable destination according to your own interests and actual situation.