The landslide struck Zhushi city early in the day, burying the victims, Xinhua News Agency reported.
Details of the landslide were not available, but the news agency said rescuers pulled five people from under the debris.
Three of them later died in a hospital, while the others remained hospitalized with injuries.
Another two people remained trapped in the debris and more than 600 rescuers were at the site searching for them, the report said.
There have been a number of landslide-related deaths as much of the northern and southern regions of China remains in the grips of heavy monsoon rains.
On Aug. 5, eight people died in a landslide in Luliang city in northern China's Shanxi province. The disaster struck late in the night as the victims slept.