This invention discloses uses for sulindac in preparing anti-lung cancer products. This invention provides uses for sulindac in the preparation of products to treat lung cancer. From carrying out cancer drug repositioning for the FDA- and CFDA-approved drug sulindac, experiments for this invention show, based on screening of non-anti-cancer drugs for various cancer cell lines (tissue types) and mutation sites, that sulindac has a new use as an anti-lung cancer medication, thus achieving a new purpose for an old drug.
