In this note, the author introduces some new subclasses of starlike mappings S*Ωn,p2…Pn(β,A,B)={f∈H(Ω):|i tan β+(1-i tan β2ρ(z)∂ρ∂z(z)Jf-1(z)f(z)-1-AB1-B2|<B-A1-B2}, on Reinhardt domains Ωn,p2…pn={z∈ℂn:|z1|2+∑j=2n|zj|pj< 1 } where –1 ≤ A < B < 1, q = min{p2,…, pn} ≥ 1, l = max{p2,…, pn} ≥ 2 and β ∈ ( -π2, π2) Some different conditions for P are established such that these classes are preserved under the following modified Roper-Suffridge operator F(z)=(f(z1)+f′(z1)Pm(z0),(f′(z1))1mz0)′,where f is a normalized biholomorphic function on the unit disc D, z = (z1, z0) ∈ Ωn,p2,…, pn, z0 = (z2,…, zn) ∈ ℂn−1. Another condition for P is also obtained such that the above generalized Roper-Suffridge operator preserves an almost spirallike function of type β and order α. These results generalize the modified Roper-Suffridge extension operator from the unit ball to Reinhardt domains. Notice that when p2 = p3 = … = pn = 2, our results reduce to the recent results of Feng and Yu.