A container seedling growing method of peculiar rare tree excentrodendron hsienmu in karst regions comprises the steps of matrix preparation, seedling transplanting, sterilization and fertilization and other management processes. Yellow soil and stone powder with the proportion of 6-8:1 are used as bionic seedling growing matrix, excentrodendron hsienmu cutting seedlings are transplanted, slaked lime, urea and monopotassium phosphate are mixed as seedling growing additional fertilizer, the bionic seedling growing matrix and liquid fertilizer are alkaline, rich in calcium, and adapted to slight alkaline soil and soil environment addicted to calcium which are favored by the peculiar tree excentrodendron hsienmu in the karst regions, and requirements of the excentrodendron hsienmu seedling growth on the soil environment can be satisfied. The container seedling growing method is simple in operation and low in cost, resources are sufficient, fertilizer efficiency is high, absorption is good, thereby facilitating seedling growth; the cultivated seedlings are high-quality and strong, and grow fast, technical support is provided for development of the endemic plant excentrodendron hsienmu in the karst regions, and requirements of development of the valuable and rare tree excentrodendron hsienmu are satisfied; and the container seedling growing method has good economic, social and ecological benefits.