To provide an industrially advantageous method for producing an oxime, which makes efficient use of 2-phenyl-2-propanol produced as a by-product when an ammoximation reaction of a ketone, cumene hydroperoxide and ammonia is carried out.

The method for producing an oxime includes a step (1) of oxidizing cumene to give cumene hydroperoxide, a step (2) of carrying out an ammoximation reaction of a ketone, cumene hydroperoxide obtained by the step (1) and ammonia in the presence of a catalyst to give an oxime and 2-phenyl-2-propanol, a step (3) of hydrogenating 2-phenyl-2-propanol obtained by the step (2) in the presence of a catalyst to give cumene and a step (4) of recycling at least a part of the cumene obtained by the step (3) to the step (1).