An oil collecting method for collecting oil in a refrigerating circuit (1A) to an outdoor unit (20) in a refrigerator having the outdoor unit (20) and an indoor unit (30) connected to each other through pipes (51, 52) and the refrigerating circuit (1A) for performing a vapor compression refrigerating cycle, comprising a first step for continuously driving a compressor (21) in the refrigerating circuit (1A) in the operating state of normal cycle of the refrigerating circuit (1A) where refrigerant is condensed in the outdoor unit (20) to perform a circulating operation to circulate the refrigerant in the refrigerant circuit (1A) until a specified time is elapsed and a second step for closing a liquid side stop valve (41) and continuously driving the compressor (21) to perform a collecting operation to collect the refrigerant in the refrigerant circuit (1A) together with oil to the outdoor unit (20).