The invention provides heat management control method and system for an engine, and belongs to the field of vehicles. The heat management control method comprises the following steps of judging a current working state of the engine; acquiring the air inlet temperature, the water outlet temperature and the cylinder block temperature of the engine; and according to the current working state, the airinlet temperature, the water outlet temperature and the cylinder block temperature of the engine, the flow of cooling liquid among an engine cylinder block, an engine cylinder cover, a heat radiatorand a warm wind core body of a vehicle is controlled, so that the working temperature of the engine is controlled. The invention further provides the corresponding heat management system. According tothe heat management control method and the system provided by the invention, the engine can be protected, meanwhile, the fuel economy of the engine is effectively improved, and the emission is reduced.