A scroll compressor comprising: a fixed scroll including a fixed end plate and a fixed wrap ; and an orbiting scroll including an orbiting end plate and an orbiting wrap and configured to perform an orbiting movement about the fixed scroll , wherein: a first compression room (C1) is formed between two contact points generated by an inner side surface of the fixed wrap coming into contact with an outer side surface of the orbiting wrap ; a second compression room (C2) is formed between two contact points generated by an outer side surface of the fixed wrap coming into contact with an inner side surface of the orbiting wrap ; the fixed end plate includes a first discharge hole configured to discharge a refrigerant compressed in the first compression room (C1) and a second discharge hole configured to discharge a refrigerant compressed in the second compression room (C2); and characterised in that the orbiting end plate includes an inner surface on which the compression room is formed and which is provided with a communication groove which provides a path configured to move the refrigerant in the second compression room (C2) toward the first discharge hole . a fixed scroll including a fixed end plate and a fixed wrap ; and an orbiting scroll including an orbiting end plate and an orbiting wrap and configured to perform an orbiting movement about the fixed scroll , wherein: a first compression room (C1) is formed between two contact points generated by an inner side surface of the fixed wrap coming into contact with an outer side surface of the orbiting wrap ; a second compression room (C2) is formed between two contact points generated by an outer side surface of the fixed wrap coming into contact with an inner side surface of the orbiting wrap ; the fixed end plate includes a first discharge hole configured to discharge a refrigerant compressed in the first compression room (C1) and a second discharge hole configured to discharge a refrigerant compressed in the second compression room (C2); and characterised in that the orbiting end plate includes an inner surface on which the compression room is formed and which is provided with a communication groove which provides a path configured to move the refrigerant in the second compression room (C2) toward the first discharge hole . a first compression room (C1) is formed between two contact points generated by an inner side surface of the fixed wrap coming into contact with an outer side surface of the orbiting wrap ; a second compression room (C2) is formed between two contact points generated by an outer side surface of the fixed wrap coming into contact with an inner side surface of the orbiting wrap ; the fixed end plate includes a first discharge hole configured to discharge a refrigerant compressed in the first compression room (C1) and a second discharge hole configured to discharge a refrigerant compressed in the second compression room (C2); and characterised in that the orbiting end plate includes an inner surface on which the compression room is formed and which is provided with a communication groove which provides a path configured to move the refrigerant in the second compression room (C2) toward the first discharge hole . <EOS>