The invention discloses a catalyst for producing toluene and C8 aromatics by using benzene and heavy aromatics as raw materials. The catalyst comprises 1-25wt% of MOR zeolite, 1-65% of ZSM-5 zeolite, 0.01-3.0wt% of at least one element in the VAth group in the periodic table of elements, 0.01-2.0wt% of at least one element in the VIII group in the periodic table of elements and the balance of adhesive, wherein the MOR zeolite and the ZSM-5 zeolite comprise silicon and at least one element T selected from aluminum, ferrum, gallium and boron, and the total Si/T atomic ratio is more than 5. Furthermore, the invention further provides a preparation method and application of the catalyst. The catalyst disclosed by the invention has good mechanical strength and excellent catalytic performance.