Provided are: a method for producing a deodorant which is derived from earthworm casting soil and which can be used in liquid form； and the deodorant. This deodorant production method is characterized by comprising a mixing step of mixing earthworm casting soil and water, and a recovery step of obtaining liquid by recovering vaporized water which is generated from the mixture obtained at the mixing step, and this deodorant is obtained by the production method. It is preferable that, in addition to the earthworm casting soil and the water, organic material is further mixed at the mixing step.
