A disclosure of the present specification provides a method for determining whether to drive a symbol level interference canceller on the basis of a network support. The method comprises the steps of: determining whether to turn on the symbol level interference canceller on the basis of condition information on at least one between a serving cell and an interference cell; driving the symbol level interference canceller according to the determination; and determining whether to turn off the symbol level interference canceller, when the condition information has changed, while driving the symbol level interference canceller.