Adhesion behavior of elastic films is a common phenomenon in many biological processes and industrial applications. Current film peeling theories and adhesion property testing methods are mostly limited to flat peeling cases. In this paper, peeling behaviors of elastic films on tubular surfaces are studied through theoretical analysis and finite element simulation. Based on the theory of non-linear elasticity, mechanical behaviors of cylindrical films under finite deformation are investigated and the total strain energy is obtained through dimensional analysis. Furthermore, an analytical expression for energy release rate of an axisymmetric crack is derived. By balancing with the density of energy, the length of crack varies linearly with the axial stretch. Finite element method is adopted to simulate the peeling process of a film and the results agree well with theoretical predictions. Our peeling method, which decouples the influence of surface frictions that commonly cannot be ignored in conventional one degree of freedom peeling setups, represents a new, useful, and easy-to-implement strategy to study elastic film peeling behaviors. Beyond this, the model and the results are also useful for measuring adhesion properties of soft films.