Disclosed is a multifunctional flushing and drawing catheter, comprising a handle (1) and a catheter part (2), wherein the end portion of one end of the catheter part (2) is provided with a flushing and drawing channel (3) and a lighting channel (4), the tail of the handle (1) is provided with a negative pressure interface (5) and a flushing interface (6), and the flushing and drawing channel (3) is fitted therein with a flushing head and a negative pressure drawing head, the negative pressure drawing head being in communication with the negative pressure interface (5) via a negative pressure catheter (7) and the flushing head being in communication with the flushing interface (6) via a flushing catheter (8); the handle (1) is fitted with a roller negative pressure volume control switch (11) for controlling the negative pressure value of the negative pressure catheter (7) and a roller flushing volume control switch (12) for controlling the flushing volume of the flushing catheter (8); and the lighting channel (4) is fitted with an LED floodlight (9), wherein the LED floodlight is electrically connected with a battery (13) installed in the handle (1) via a wire (10) and the handle (1) is fitted with a push-button switch for controlling the turning on and off of the LED floodlight (9). The multifunctional flushing and drawing catheter is convenient and labour-saving in operation, simple in structure, and easy to use.L'invention concerne un cathéter multifonctionnel de rinçage et d'aspiration, comprenant un manche (1) et une partie cathéter (2), dans lequel la partie extrémité d'une première extrémité de la partie cathéter (2) comporte un canal de rinçage et d'aspiration (3) et un canal d'éclairage (4), la queue du manche (1) comporte une interface à pression négative (5) et une interface de rinçage (6), et le canal de rinçage et d'aspiration (3) est muni d'une tête de rinçage et une tête d'aspiration à pression négative, la tête d'aspiration à pression négative étant