Porous piezoelectric materials have found a wide variety of applications in functional devices like miniature accelerometers,vibration sensors andlow frequency hydrophones.The properties and reliability of these devices highly depend on the electro-mechanical response of their porous piezoelectric components.To help understand how the pores interact with a material surface in porous piezoelectric materials,we derive in this paper an analytical solution for the electro-elastic field in an anisotropic piezoelectric half-plane with an elliptical and electrically permeable hole subjected to uniform in-plane mechanical and electric loadings.Our solution shows that with decreasing distance between the hole and the edge of the half-plane,the maximum hoop stress around the hole increases rapidly under mechanical loading but slowly in the presence of electric loading.When the elliptical hole becomes slender and degenerates to a crack,our solution continues to work to give the stress or electric displacement intensity factors at crack tips.