Polyethyleneimine water shut-off and profile control agent as well as preparation method thereof

The invention relates to a polyethyleneimine water shut-off and profile control agent. The agent comprises the following components in percentages by weight: 0.05-5% of partially hydrolyzed polyacrylamide, 0.01-0.5% of a cross-linking agent polyethylene, 0.05-1% of a gelation delaying agent, 0.1-3% of a stabilizing agent, 0.01-0.05% of a conditioning agent, and the balance being water. The total amount of each component is 100%. The invention also relates to a preparation method of the polyethyleneimine water shut-off and profile control agent.