After analyzing corn production，quality of its major varieties and utilizing mode of its hybrids in Liangshan ever since liberation，we have found that the major varieties here originated from the four categories and some sub categories in China，and there are seven utilizing modes of hybrids. Although there is a narrow heritable base for widely grown corn varieties in local areas，the local variety resources are abundant and highly exploitable. Therefore，more work needs to be done to collect，expand and renovate the local corn variety resources.