THERMAL MANAGEMENT SYSTEM FOR VEHICLE

Disclosed is a thermal management system for a vehicle including: a refrigerant circulation line including a refrigerant loop having a compressor, a water-cooling condenser, a first expander, an air-cooling condenser, a second expander and an evaporator, and a third expander and a chiller which are connected with the second expander and the evaporator in parallel in order to circulate refrigerant; a cooling line in which a radiator exchanging heat with the air to cool coolant, an electronic part, the chiller and a battery are connected in parallel and in which the coolant flows; and a heating line which circulates the coolant heated by exchanging heat with the refrigerant in the water-cooling condenser to heat the interior, and which is connected with the cooling line or blocked from the cooling line according to heating and cooling modes.