This invention provides a process of producing extract comprises growth-stimulation components from husks, kernels, leaves, fruit-stems, branches, stems, roots, seed's shells and barks and their applications. A use of composition comprising the extract from the husks, kernels, leaves, fruit-stems, branches, stems, roots, seed's shells and barks of Wenguanguo for stimulating the cell activities comprising growth-stimulation by administering an appropriate amount of the above composition.