The invention relates to a method for monitoring the filling of a capsule with a medicament, a corresponding filing method and the corresponding devices. According to the monitoring method, after at least part of the capsule is filled with a given filling mass of given closed shape of medicament, in a first step, at least the filling mass located in the part of the capsule after filling is recorded with a digital image, in a second step, the shape of the filling mass located in the part of the capsule is determined from the digital image and, in a third step, the shape analysed to give an analysis of the filling in comparison with given shapes.