Disclosed is a medical tube fixing apparatus which can fix a medical tube and simultaneously suture an incised surgical site. The medical tube fixing apparatus includes a body for fixing and supporting the medical tube, and a fixing pin, fixed to the body, for being fixed to skin of a patient while suturing the skin of the patient. The body includes a first fixing member, a second fixing member fixed to and supported by one lateral end of the first fixing member, and a locking unit by which the first and second fixing members are fastened and fixed to face each other. The first and second fixing members are formed with a plurality of protrusions on an inner side thereof, respectively. The fixing pin, being fixed to both of the first and second fixing members, can be fixed to the skin of the patient with a skin stapler.
