Electric flelds have been widely used for the treatment of neurological diseases, using techniques such as non-invasive brain stimulation. An electric current controls cell excitability by imposing voltage changes across the cell membrane. At the same time, the presence of the cell itself causes a re-distribution of the local electric fleld. Computation of the electric fleld distribution at a single cell microscopic level is essential in understanding the mechanism of electric stimulation. In addition, the impact of the cellular biophysical properties on the fleld distribution in the vicinity of the cell should also be addressed. In this paper, we have begun by flrst computing the fleld distribution around and within a spherical model cell. The electric flelds in the three regions difiered by several orders of magnitude. The fleld intensity in the extracellular space was of the same order as that of the externally applied fleld, while in the membrane, it was calculated to be several thousand times greater than the applied fleld. In contrast, the fleld intensity inside the cell was greatly attenuated to approximately 1/133th of the applied fleld. We then performed a