Over a lakh cubic meters of mudburied temporary sheds at a hydropower station construction site and damaged its offices located in Taining County.
State-run Xinhua news agency reported that 41 people were listed missing and seven others injured.
State television showed footage of hundreds of rescue workers trying to dig through the massive pile of mud to locate survivors.
The landslide was triggered by heavy downpours that unleashed 191. 6 millimeters of rain in 24 hours since Saturday.
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Meanwhile, Chinese President Xi Jinping has ordered he Fujian local government and related departments to make maximum efforts to rescue the trapped people.
He called for all-out efforts to search for buried and missing people, and stressed proper treatment for the injured, while consoling the relatives of the injured and missing.
Xi also urged strengthening local monitoring and safety checks for hidden dangers to prevent secondary disasters.
Chinese Premier Li Keqiang has also called for all-out efforts to search for and rescue those missing in the landslide and to treat the injured.