A medical multi-chamber container using an RFID device, by which the mixing of medicaments can be easily and reliably carried out without depending only on visual inspection and the correctness of medical treatment can be checked without fail a method for recognizing the mixing of medicaments using same a system for preventing misuse of a medical multi-chamber container and a medicaments-containing medical multi-chamber container. Specifically provided is a medical multi-chamber container (10) including a flexible container body (20) which is partitioned into multiple chambers (22, 24) for storing medicaments by a weak-seal portion (26) where the opposite surfaces of the container body (20) are detachably bonded, characterized in that an RFID device (30) and a metal layer (40) are provided in such a manner as to sandwich the weak-seal portion (26) therebetween.