CuIn2Se4 thin films are developed by electrochemically deposition technique on stainless steel substrates in galvanostatics mode from an aqueous acidic bath. Which contain CuSO4, InCl3 and SeO2.the properties of film are studies by deposition parameters such as deposition time, current density, deposing potential, pH of bath, temperature of bath, are optimized and crystal structure are studied by X-Ray diffraction analysis. Optical properties studied with effect of temperature. Surface morphology observed by Scanning Electron Microscopy with annealing at different temperature.