Rainstorms caused waterlogging in parts of Heilongjiang, Jilin and Inner Mongolia.
Rain-triggered flooding ruined 1.07 million hectares of crops or plants, resulting in direct economic losses of $1.06 billion, reported Xinhua citing the State Flood Control and Drought Relief Headquarters.
Flood prevention work along the Songhuajiang River is underway.
A great amount of rainfall has battered China since the rainy season began, causing widespread flooding in the vast country.
Last month, the heaviest downpours in over 60 years in Beijing paralysed the capital city, killing 79.
Even a section of China's ancient and global attraction, Great Wall, has collapsed following days of heavy downpours.