Abstract: The effect of electron-electron interaction on the transfer properties of a one-dimensional conductor has been investigated by many authors, using the modified Hubbard chain model with infinite length only. In this paper, we develop the finite length Hubbard model to investigate the effects of electron-electron interaction. The results obtained show correctly the effects of chain length and Hubbard interaction on the lattice form, charge density, etc. The result of Lindner et al. can also be derived by taking the chain length approaching infinity.