This article investigated the damage conditions of cereals infrastructures in city of Mianyang, Sichuan province, after the ‘5.12’ Wenchuan Earthquake. The guidelines of restoration and reconstruction program with cereals infrastructure were brought forward in this paper. Based on the analysis of local cereals production and consumption, as well as the prediction of social development in the future, this article proposed respectively the restoration and reconstruction projects those should be planned. Economic benefit and social benefit to be brought by these projects were also analyzed. This paper will provide some references to the recovery of other cities those also destroyed in the earthquake.