Disclosed is a washing machine that performs a washing process in response to a type of a contaminant in laundry in a 5G environment, a method for controlling a washing machine, and a server for supporting washing. The washing machine according to an embodiment of the present disclosure may include a processor, a memory operably coupled to the processor and for storing at least one code executed in the processor, and a driver for controlling rotation of an inner tub so as to perform a washing operation on laundry. The memory may store a code to, when executed by the processor, cause the processor to identify a type of a contaminant in the laundry, determine a first washing process corresponding to the type of the contaminant, and control the driver based on the first washing process.