Our new supporting system for Japanese language learning is now available on WWW. At present, supporting tools for reading technical documents can be used. They are (a) dictionary for both technical terms and general terms, (b) dictionary for Kanji and (c) tool for counting number of Kanji in a text. The tools have been actually used in the class of intensive course. The course students were given an assignment to search Kanji characters and terms in the technical documents which were written by their professors. The students were strongly motivated by the documents of their own fields.