How did the Han Dynasty provide flood relief?

How to carry out flood relief in the history of Han dynasty: tax relief for immigrants?

After the flood, in order to appease the victims and ensure people's livelihood and social order, the Han government formed a series of more effective disaster relief measures. Once the flood occurs, it will gradually start the relief procedures to help the victims and resume production. After the flood, people's lives often fall into despair. In order to help the victims who lost their livelihood to tide over the temporary difficulties and save the people's strength, the imperial government of the Han Dynasty adopted different rescue methods according to the different degrees of the disaster.