"Lack of teaching materials" is the most common problem in Japanese Language Training world-wide, accordingto a survey by the Japan Foundation in 1998. The problem is not solved only by donating ready-made materials, butalso by improving teachers' skills so that they are able to produce teaching materials by themselves, or to modifyand adapt the donated materials which they already have. The purpose of this study is to examine whether this is true in Indonesia and to determine exactly what is bestdone by the Japanese government to solve that problem. As part of the study, the kinds of teaching materialsIndonesian teachers actually possess and how they use those materials were investigated.