The present application belongs to the technical field of baby supplies, and relates to a spill-proof feeding bottle for a newborn baby. The feeding bottle comprises a first bottle body (1) and a second bottle body (4), a top portion of the first bottle body (1) being in threaded connection with a bottom portion of the second bottle body (4). The bottom portion of the second bottle body (4) has a blocking plate (2) fixedly connected thereto, with a drainage hole (3) being provided at an edge of the baffle (2), and a straw (5) being fixedly connected at a center of the blocking plate (2). An interlayer (14) is disposed inside an outer shell of the second bottle body (4). An outer straw (10) is inserted at a top portion of the straw (5). By providing the drainage hole (3) between the first bottle body (1) and the blocking plate (2), disposing an interlayer (14) at an outer surface of the second bottle body (4), and correspondingly disposing a drainage outlet (13) at an upper end of the interlayer (14), the spill-proof feeding bottle for a newborn baby has the function of preventing liquid from spilling. And by disposing the blocking plate (2) in a middle portion of the feeding bottle, connecting the first bottle body (1) positioned at a lower side and the second bottle body (4) positioned at an upper side, and providing two different straws (5, 10), the effect of containing two different liquids in a single feeding bottle is achieved.L'invention appartient au domaine technique des fournitures pour bébés, et concerne un biberon anti-fuite pour un nouveau-né. Le biberon comprend un premier corps de bouteille (1) et un second corps de bouteille (4), une partie supérieure du premier corps de bouteille (1) étant en liaison filetée avec une partie inférieure du second corps de bouteille (4). La partie inférieure du second corps de bouteille (4) a une plaque de blocage (2) reliée de manière fixe à celle-ci, un trou de drainage (3) étant disposé au niveau d'un bord du déflect