According to the multi-type air conditioner for simultaneous heating and cooling use and the method for withdrawing refrigerant therefrom, the refrigerant withdrawing device (121,122,123) is provided between the plural outdoor units (51,52,53), refrigerant in the malfunctioning outdoor unit is withdrawn to the other outdoor units and the other outdoor units are normally operated while the compressor unit of the malfunctioning outdoor unit among the plural outdoor units is replaced. Thus, the compressor unit is replaced and/or the outdoor unit is repaired without cessation of heating and/or cooling.