An ultrasound endoscope 2 includes an insertion portion 11, an ultrasound transducer 33a provided at a distal end portion of the insertion portion 11, a first opening portion 31a provided at a distal end portion 21 of the insertion portion 11, a second opening portion 31b and a raising stand 51 provided at the distal end portion 21 of the insertion portion 11. Furthermore, the raising stand 51 includes a first contact portion that comes into contact with a treatment instrument TD1 protruding from the first opening portion 31a for causing the treatment instrument TD1 to extend in a first direction and a second contact portion that comes into contact with a treatment instrument TD2 protruding from the second opening portion 31b for causing the treatment instrument TD2 to extend in a second direction different from the first direction.