Answer:National Day is one of the most important festivals in China, and many people will choose to travel during this time. Here are some cost-effective and less crowded destinations to visit during the National Day:

- Tengger Desert: Located in Inner Mongolia Autonomous Region, Tengger Desert is the fourth largest desert in China. During the National Day, the desert is spectacular and you can experience the unique charm of the desert. If you choose a 4-day trip, the budget is about 2,000 yuan (excluding airfare).

Tengger Desert

- Inner Mongolia: Located in the north of China, Inner Mongolia is blessed with vast grasslands and rich natural landscapes. During the National Day, Inner Mongolia is very beautiful and you can experience the unique charm of the grassland. If you choose a 6-day trip, the budget is about 3,300 RMB (excluding airfare).

Inner Mongolia

- Changbai Mountain: Located in Northeast China, Changbai Mountain is one of the famous tourist destinations in China. During the National Day, Changbai Mountain is very beautiful and you can experience a variety of natural landscapes such as high mountains, waterfalls and forests. If you choose a 5-day trip, the budget is about 2,800 RMB (excluding airfare).

- Yunmen Mountain Resort: located in Shaoguan City, Guangdong Province. During the National Day, Yunmen Mountain Tourist Resort is very beautiful and you can experience a variety of activities such as natural scenery and cultural festivals. Accommodation can choose Yunmen Mountain meet over the mountain Yao hotel, not only clean scenery good cost-effective but also extremely high.

Changbai Mountain

- Yarlung Zangbo Grand Canyon: Located in Linzhi, Tibet, it is a plateau zone. Come here to enjoy the fall on the National Day, not only less crowded, but also beautiful scenery.

You can choose to travel to Linzhi by plane, train or car, and then go to Yarlung Zangbo Grand Canyon from Linzhi. You can consult the local travel

Yarlung Tsangpo Grand Canyon

- Ejina Poplar Forest: located in Ejina, it is one of the three largest poplar forests in the world. It becomes a golden sea in every autumn season. The National Day is at the most beautiful time of Ejinah Poplar Forest, although the crowd is relatively large, but because it is located in the northwest, compared with other National Day popular attractions, the crowd is relatively small. You can choose to travel to Ejinar by plane, train or car, and then go to the poplar forest from Ejinar. You can consult your local travel agency for specific travel options and prices.

Ejina Poplar Forest

- Tachuan: Located in ancient Huizhou, Tachuan is a unique and charming mountain village. Autumn in Tachuan is like a colorful oil painting, beautiful to the point of intoxication. Although it is not as famous as Xidi and Hongcun near Huangshan Mountain, the scenery here is definitely worth seeing. When you visit Tachuan on National Day, compared with Xidi, Hongcun and Wuyuan, which are crowded with people, it is less crowded and also has beautiful scenery. You can choose to travel to Huangshan by plane, train or car, and then go to Tachuan from Huangshan. You can consult your local travel agency for specific travel options and prices.

Tachuan

- Red Beach: Located in Panjin, Red Beach is one of the six most beautiful marshes in China and the world's red coastline according to National Geographic, and is the best place to see the red beach from September to mid-October, with the National Day being the best season to see the beach. Although the National Day, the red beach tourists ushered in the highest peak of the year, but Panjin is not a domestic National Day popular tourist cities, people, although more than usual, but not a sea of people, and the scenic area is a wetland reserve, to take a certain amount of restrictions on the flow of traffic, can be said to be the domestic National Day travel less people and fun scenic spots. You can choose to take a plane, train, car and other means of transportation to Panjin, and then from Panjin to Red Beach. You can consult your local travel agency for specific travel options and prices.

Red Beach

The above places are some of the more suitable places to visit during the National Day, so you can choose according to your interest and budget.

It should be noted that tourist attractions are crowded during the National Day, so it is recommended to book air tickets, hotels and other services in advance to avoid travel inconvenience.