Disclosed is a tool for a magnet in an artificial cochlea, wherein one end of a push rod (2) is connected with a push plate (1), the other end of the push rod (2) is provided with a push rod thread (16), and the push rod thread (16) is matched with a magnetic part thread (17) to connect the push rod (2) and a magnetic attracting part； a spring (2) is fitted over the push rod (2), a sheath (3) and an outer sleeve (7) are fitted over the spring (4), a limit part (6) is disposed at one end of the sheath (3) and pushes against a limit ring (5) arranged outside the outer sleeve (7) to prevent the sheath (3) from being separated from the spring (4) when the spring (4) rebounds； a handle (9) is arranged between a threaded part (10) and the outer sleeve (7)； one end of a necked part (13) is fitted over the magnetic attracting part and the threaded part (10) and is provided with a window (12) for placing the magnet in the artificial cochlea, the other end of the necked part (13) is of an elastic necked structure, and the necking diameter is matched with a magnet inlet in an artificial cochlea implant. The tool combines the implanting and taking out of the magnet in the artificial cochlea, has multiple functions, is capable of simplifying surgery steps, shortening surgery time and relieving the pain of patients, can be operated simply and brings great convenience to the surgery.L'invention concerne un outil pour un aimant dans une cochlée artificielle, une extrémité d'une tige de poussée (2) étant reliée à une plaque de poussée (1), l'autre extrémité de la tige de poussée (2) étant pourvue d'un fil de tige de poussée (16), et le fil de tige de poussée (16) correspond à un fil de partie magnétique (17) pour relier la tige de poussée (2) et une partie d'attraction magnétique； un ressort (2) est ajusté sur la tige de poussée (2), une gaine (3) et un manchon externe (7) sont ajustés sur le ressort (4), une partie limite (6) est disposée au niveau d'une extrémité de la gaine (3) e
