This study is to search cooperation plan about fire investigation based on the public-private partnership. Especially focused on the partnership with 4 sector; the academic world, insurance sector, industrial world, professionalist of private fire investigation. In conclusion, Firstly a partnership with the academic world should have courses or school subject extensions related to fire investigation. Secondly, a partnership with insurance sector should secure trust through unifying estimate standard about the origin of damage. Thirdly, A partnership with industrial company is presented making collaboration team to investigate the fire investigation. Lastly, the partnership with the private professionalist related to fire investigation should strengthen credibility and expertise.