Elastic scattering of alpha particles by light nuclei is achieved using Coupled reaction channel (CRC) and crystal model approach (CM) to compare and reanalyze the availability of applying novel ideas in the nuclear reaction field. Coupled reaction channel (CRC) and crystal model (CM) have been used on alpha elastically scattered by 6,7Li, 9Be, and 11B, where alpha–target interaction has been modified. The real part of the potential has been selected as crystal model (CM) with a Gaussian form. The imaginary part of the potential was taken in Woods-Saxon form, where the spin-orbit effect has been excluded from this analysis. Fitting of experimental data obtained using CRC and CM agreed well for alpha elastically scattered by 6,7Li and 9Be, whereas results obtained for 11B using CM were poor. More modifications should be made on CM to reproduce the differential cross-section for alpha elastically scattered by 11B. Near future has more and more modifications on the crystalline model.