Novel apatite-based photocatalyst (TiHAP) films have been prepared by wet process. The films have high transparency with little infringing color. SEM, XPS, and UV-vis analyses were carried out, and it was revealed that the obtained films were similar to TiHAP powder. The films showed photocatalytic activity against adsorbed Methylene Blue and gaseous isopropyl alcohol and no photoinduced hydrophilicity.