ABSTRACT The tofu industry is a small-scale industry that is growing rapidly in Indonesia along with population growth, one of which is in North Sumatra Province, Simalungun Regency, Siantar District, precisely Rambung Merah Village. The tofu industry in Rambung Merah Village is a small-scale business that has the potential to be developed. This can be seen from the number of tofu demand that …