Provided is an instrument for alleviating addictive drug craving which can be safely administered to an addictive drug-dependent patient by a definite method in practice without causing any undesirable effects on therapy and terminate a series of behaviors through the administration so as to achieve an excellent effect on the therapy for alleviating addictive drug craving. An instrument for alleviating addictive drug craving (11) which comprises a pseudo injection agent (31) enclosed in a pseudo container (21). To the outer face of the pseudo container (21), which is an ampule-shaped container being similar in appearance and structure to a container of an addictive drug (X), a pseudo injection agent label (41), which is almost the same in constitution to a product label of the container of the addictive drug (X) except having the term "PSEUDO" added hereto, is attached. The pseudo injection agent (31) is similar in appearance to an injection agent of the addictive drug (X) but free from the active ingredient of the addictive drug (X).
