Liquid phase deposition is a cost-effective and energy-efficient method for obtaining TiO₂ films at low temperatures. This work demonstrates the use of a multifunctional template consisting of grafted gallic acid (GA) and hexamethylenediamine (HD) on a Ti substrate to regulate the deposition of TiO₂ films. X-ray diffraction characterization shows that films deposited with the template have a more obvious anatase phase compared to direct deposition at 25 °C. The intensity of photoluminescence spectra also shows significant differences at 373.7 nm and 663.3 nm. Furthermore, electrochemical measurements indicate that TiO₂ films adjusted by the template have excellent electrochemical conversion properties. This proposed method provides a new simple route for fabricating TiO₂ films that are adjusted by GAHD templates, which may have good applications in the fields of semiconductor materials and biological materials.