In recent years, eognitive-behavioral therapy has become prevalent not only in Western countries but also in Japan. There are some reasons for this. First, cognitive-behavioral methods are directly coneerned with thoughts and feeling that are irnporatnt in psychiatric and psychosomatic disorders, Seeondly, these methods have scientific basing and are more amenable to evaluation in clinical trials. Thirdly, cognitive-behavioral therapy is cornparatively easy to use. It can be applied to

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... e disorders. anxiety and obsessive disorders, eating disorders, and certain somatic problems, etc. Our research group made a manual of cognitive-behavioral therapy for anorexia nervosa supported by the Ministry of Health and Welfare in 1991. We also revised a manual for clinical study of anorexia nervosa in 1992. The aim of this study is to cQmpare cognitiye-behavioral therapy with an opeTant conditiening treatment with brief psychetherapy. This is a multi-center study that was begun in October, 1992. In this paper. we will outline our manual of cognitive-behavioral therapy, and the revised one for clinical study, and make an interiurn report of the study in our department.