This document describes a method for the determination of tensile performance of nanostructured films in small dimensions, including assay principles, devices, specimen preparation, test steps, calculation and representation of results. Suitable for the determination of tensile performance of nanostructured films with both length and width dimensions less than 100mm. Necessary normative documents are cited, including technical specifications for rubber-plastic tensile, pressure and bending test machines and statistical interpretation of test results. Related terms are defined, such as nanostructured, nanostructured films, small-sized nanostructured films, gauge and Test speed.