A control system of a hybrid vehicle, comprising: an engine; a motor capable of driving the engine; an oil pump for supplying a lubricant oil to a lubrication requiring portion of the engine; and an engine lubrication controller (21, Fig. 3) configured to make the following operations in a case that a stop state of the engine continues for more than or equal to a certain period (YES at S1): when a vehicle stop condition (S2-S5) that a driver has no intention of travel is established (S2-S5), supplying, by the oil pump, the lubricant oil to the lubrication requiring portion of the engine, and rotating the engine by the motor without igniting the engine, thereby implementing an engine lubrication control (S6-S12), wherein the hybrid vehicle is a plug-in hybrid vehicle which: has a high power battery and a charge port, means to determine that stop of the hybrid vehicle in a set position of an external charger is established, means to allow the external charger to be connected with the charge port, and means to allow a charge to the high power battery by using a power from the external charger, and in a state that an oil circulation requirement that the stop state of the engine continues for more than or equal to the certain period is established (YES at S1) is determined, the engine lubrication controller (21, Fig. 3) is configured to start the engine lubrication control (S6-S12) when the vehicle stop condition (S2-S5) and stop of the hybrid vehicle in the set position of the external charger is established, wherein the engine lubrication controller (21, Fig. 3) is configured to implement a determination of an establishment of the vehicle stop condition (S2-S5) when: a vehicle stop position condition that a vehicle stop position matches with the set position of the external charger is established (YES at S2), a key-on condition that an ignition key is on is established (NO at S3), and a charge condition that the plug-in charge to the high power battery is being implemented (YES at S4). an engine; a motor capable of driving the engine; an oil pump for supplying a lubricant oil to a lubrication requiring portion of the engine; and an engine lubrication controller (21, Fig. 3) configured to make the following operations in a case that a stop state of the engine continues for more than or equal to a certain period (YES at S1): when a vehicle stop condition (S2-S5) that a driver has no intention of travel is established (S2-S5), supplying, by the oil pump, the lubricant oil to the lubrication requiring portion of the engine, and rotating the engine by the motor without igniting the engine, thereby implementing an engine lubrication control (S6-S12), wherein when a vehicle stop condition (S2-S5) that a driver has no intention of travel is established (S2-S5), supplying, by the oil pump, the lubricant oil to the lubrication requiring portion of the engine, and rotating the engine by the motor without igniting the engine, thereby implementing an engine lubrication control (S6-S12), wherein the hybrid vehicle is a plug-in hybrid vehicle which: has a high power battery and a charge port, means to determine that stop of the hybrid vehicle in a set position of an external charger is established, means to allow the external charger to be connected with the charge port, and means to allow a charge to the high power battery by using a power from the external charger, and has a high power battery and a charge port, means to determine that stop of the hybrid vehicle in a set position of an external charger is established, means to allow the external charger to be connected with the charge port, and means to allow a charge to the high power battery by using a power from the external charger, and in a state that an oil circulation requirement that the stop state of the engine continues for more than or equal to the certain period is established (YES at S1) is determined, the engine lubrication controller (21, Fig. 3) is configured to start the engine lubrication control (S6-S12) when the vehicle stop condition (S2-S5) and stop of the hybrid vehicle in the set position of the external charger is established, wherein the engine lubrication controller (21, Fig. 3) is configured to implement a determination of an establishment of the vehicle stop condition (S2-S5) when: a vehicle stop position condition that a vehicle stop position matches with the set position of the external charger is established (YES at S2), a key-on condition that an ignition key is on is established (NO at S3), and a charge condition that the plug-in charge to the high power battery is being implemented (YES at S4). a vehicle stop position condition that a vehicle stop position matches with the set position of the external charger is established (YES at S2), a key-on condition that an ignition key is on is established (NO at S3), and a charge condition that the plug-in charge to the high power battery is being implemented (YES at S4).