Provided is a portable dental treatment instrument, comprising a treatment assembly and a case body (1) used for housing the treatment assembly the treatment assembly comprises a treatment tool, an treatment auxiliary assembly, a connecting conduit, and a circuit control system containing electric cable the case body (1) comprises an upper case body (10) and lower case body (11), arranged in a separable and fastenable configuration, and a door (12) capable of opening and closing the case body (1) the treatment apparatus further comprises a height adjustment mechanism (9) arranged between the upper case body (10) and lower case body (11) and used for adjusting the height of the upper case body (10), and a cable stowage tube (14) used for organizing the connecting conduit (30, 31) the treatment instrument has stowed and opened states when in the stowed state, the upper case body (10) and lower case body (11) fasten together when in the opened state, the upper case body (10) and lower case body (11) are separated and the upper case body (10) is at a height suitable for treatment. When the dental treatment instrument is stowed, it has a small volume, making it convenient for storage and transportation when deployed, the instrument has a height suitable for treatment, no conduits cross, and it is not disorderly, so that it is convenient to use.La présente invention concerne un instrument de traitement dentaire portable qui comprend un ensemble de traitement et un corps de boîtier (1) utilisé pour loger lensemble de traitement lensemble de traitement comprend un outil de traitement, un ensemble auxiliaire de traitement, un conduit de liaison et un système de commande de circuit contenant un câble électrique le corps de boîtier (1) comprend un corps de boîtier supérieur (10) et un corps de boîtier inférieur (11), disposés dans une configuration pouvant être séparée et fixée, et une porte (12) pouvant ouvrir et fermer le corps de boîtier (1) lappareil de traitement compr
