A medical oral treatment face mask includes a mask body (1) and a band set (2). The mask body (1) includes a water-repellent layer (11), an isolation layer (12) and a water-absorbent layer (13). The isolation layer (12), which along with the water-repellent layer (11) has a corresponding opening (10). The water-absorbent layer (13) is arranged between the water-repellent layer (11) and the isolation layer (12). The band set (2) is fixed on two sides of the mask body (1).