Because of poor heterogeneous nucleation of MOF on the ceramic support surface, it is usually difficult to prepare defect-free metal-organic framework (MOF) layers as shape-selective membrane on the native ceramic supports by a direct solvothermal synthesis route. In the present work, inspired by "like dissolves like" principle, a simple and facile synthesis strategy was developed to prepare highly reproducible and permselective zeolitic imidazolate framework ZIF-8 membranes on the 1H, 1H, 2H, 2H-perfluoroalkyltriethoxysilanes (POTS) modified alpha-Al2O3 disks. Attributing to the enhancement of surface hydrophobicity of the alpha-Al2O3 supports after POTS modification, hydrophobic ZIF-8 membranes are tending to grow well on the hydrophobic surface following the "like grows like" principle. Thus a well-intergrown ZIF-8 membrane with a thickness of about 20 mu m has formed on the POTS-modified alpha-Al2O3 disks. The developed ZIF-8 membranes show high hydrogen selectivity and thermal stability. At 200 degrees C and 1 bar, the mixture separation factors of H-2/CO2, H-2/N-2, H-2/CH4, and H-2/C3H8 are 15.8, 22.6, 40.6, and 549.3, with H-2 permeances higher than 2.1x10(-7) mol.m(-2).s(-1).Pa-1, which is promising for hydrogen separation and purification.