To determine whether SNHG7 exerted any function in breast cancer, three synthesized small interference RNAs (si-SNHG7-1, si-SNHG7-2, and si-SNHG7-3) were transfected into MCF‐7/ADM and MDA‐MB‐231/PTX cells. This evidence concerns the gene SNHG7 and breast cancer.