Infusion pump for enteral nutrition, which comprises a case (2) wherein a manually operated peristaltic pumping mechanism (10) is housed, which is designed to enable a liquid solution to flow from a bottle (B) through a flexible feeding tube (5), between an inlet end (4) and an outlet end (6) thereof. Said pump (1), comprises a housing (20) designed to house the bottle (B), which presents an upper opening (21) that enables the introduction of the bottle (B) and a bottom base (22); and a needle (3) arranged in the bottom base (22) with an upper end (31) designed to puncture the bottle (B) and a lower end (32) that is connected to the inlet end (4), said needle (3) having a passage (33) intended to communicate the solution contained in the bottle (B) and the feeding tube (5).