Disclosed is a catheter fixing device (10), which catheter fixing device (10) can fix various medical catheters (50) to a patients body conveniently so as to prevent the catheters (50) from abnormally moving. The catheter fixing device (10) comprises an elastic belt (20), a connecting fixed piece (30) which is fixed to the end of the elastic belt (20), and a catheter fixed piece (40) which is partially fixed to the surface of the elastic belt (20) in an appropriate location. By connecting to the fixed piece (30), the elastic belt (20) can be circumferentially fixed to the patients body, such as the appropriate location of the limbs or waist which is close to the catheter (50), so as to form the basic support of the whole catheter fixing device (10). An appropriate part of the medical catheter body needing to be fixed is placed in the appropriate location between the catheter fixed piece (40) and the elastic belt (20), and the catheter (50) can be fixed to the surface of the elastic belt (20) by means of the releasable connection of the catheter fixed piece (40) and the surface of the elastic belt (20). The catheter fixing belt has the advantages of a simple structure, convenient use, reliable fixing, convenient adjustment, comfortable wear for patients, high universality, easy processing, etc.Linvention concerne un dispositif de fixation de cathéter (10), dispositif de fixation de cathéter (10) qui peut fixer divers cathéters médicaux (50) au corps dun patient de manière adéquate pour prévenir le déplacement anormal des cathéters (50). Le dispositif de fixation de cathéter (10) comprend une bande élastique (20), une pièce fixe de connexion (30) qui est fixée à lextrémité de la bande élastique (20), et une pièce fixée du cathéter (40) qui est partiellement fixée à la surface de la bande élastique (20) dans un endroit approprié. Par connexion à la pièce fixée (30), la bande élastique (20) peut être fixée circonférentiellement au corps du patient, comme à lendroit appr