The invention provides a method for producing arene with byproduct MTBE through methyl alcohol. The method comprises the steps that methyl alcohol is catalyzed and aromatized to obtain a first-level product, the first-level product is cooled and separated, and a first-level gas phase and a first-level oil phase are obtained; the first-level gas phase and methyl alcohol are reacted to obtain MTBE and a tail gas product, MTBE is directly collected, the tail gas product is catalyzed and aromatized to obtain a second-level product, the second-level product is cooled and separated, and a second-level gas phase and a second-level oil phase are obtained; the first-level oil phase and the second-level oil phase are combined and collected, the second-level gas phase is directly discharged, and tail gas treatment and recycling are carried out. The invention further provides matched equipment which comprises a first-level aromatization reactor, a methyl alcohol aromatization product separator, an MTBE reactor, a second-level aromatization reactor, a first-level gas phase pipeline, a first-level oil phase pipeline, a tail gas product pipeline, a second-level gas phase pipeline and a second-level oil phase pipeline. The method is mild in reaction condition; by effectively utilizing the byproduct, the yield of the target product low-carbon arene is increased, and selectivity is improved.