Although we cannot prevent flood we can prepare for it. To prevent and fight against flood, before it takes place, we must make preventive dikes, prepare adequate tools and food and other necessities. When sto flood occur, people must find safe shelters not to go out. Rescue workers free people trapped in the floods, evacuated people from dangerous areas local military and local authorities provide medical supplies, food and rescue equipment for the victims. After that, we have to overcome what  flood destroy, such as rebuilding houses, and many other things, if we live in that area, we should plant trees, protect the environment and many other practical things.