A class of nonlinear fractional order partial differential equations with delay c∂αu(x,t)∂tα=a(t)▵u(x,t)+f(t,u(x,τ1(t)), &mellip;,u(x,τl(t))),t∈[0,T0] be investigated in this paper, where cDαis the standard Caputo's fractional derivative of order 0≤α≤1, and l is a positive integer number, the function f is defined as f(t,u1,&mellip;,ul):R×R×&mellip;, ×R→R, and x∈Ωis a M dimension space. Using Lebesgue dominated convergence theorem, LeraySchauder fixed point theorem and Banach contraction mapping theorem...