Ventilation aid (1) for the non-invasive ventilation of premature infants (F), wherein the ventilation aid (1) comes into contact with the nose/mouth area (3) of the premature infant (F) with a contact part (2), and wherein the ventilation aid (1) comprises at least one mixing chamber (4) and a ventilation hose system (6) that can be connected to a controllable ventilator (5), wherein the ventilation hose system (6) comprises at least one feed line (7) for supplying fresh ventilation air to the premature infant (F) and at least one returning line (8) for leading off used-up ventilation air from the premature infant (F), and wherein spontaneous breathing of the premature infant and the supplying and/or leading off of the ventilation air within the ventilation aid ( 1) defines a ventilation air flow ( 10). The ventilation aid (1) comprises a pressure measuring device (17) configured to generate a pressure signal characterizing the pressure in the area of the contact part (2).