Recently the indoor air quality of residential building has drawn attention as using building materials and furniture emitting variety pollutants like formaldehyde(HCHO) and Total Volatile Organic Compound(TVOC) in new buildings harms indoor air quality. The necessity of improving and developing indoor air quality by using eco-friendly or alternative materials is proposed. This study produced the board using Hwangtoh, which is a typical traditional material used on bottom and wall of ondol and plastering work. Although many companies developed and utilize Hwangtoh board, there is no sufficient analysis results of it. This study showed combination level and process of the board using Hwangtoh and eco-friendly material, and evaluate the ability of the board by physical property and eco-friendly effect tests. By using the result of this study, it is expected to improve the indoor air quality and prevent the pollution of indoor air quality.