To allow pressing rollers to roll smoothly without causing a tube in a tube pump to buckle.

The tube pump 30 is equipped with a case 31, a fastening part 41, and a pressing means 51. A recess 35 as a concave curved surface having an approximately circular arc section is provided at the inner wall 34 of the case 31 in a position downstream of a tube pressed part 23b. The tube pressed part 23b dislocated to downstream by the first press roller 54 constituting the pressing means 51 is accommodated in the recess 35.