We study contact process with random recovery rates ξ and edge weights ρ on tree TN.
We introduce the definitions of the critical values under the annealed and quenched measures.
We show that the critical value under the annealed measure asymptotically equals as N grows to infinity.
We show that the critical value under the quenched measure equals that under the annealed measure on a set A and equals infinity on the complement of A.