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Note on exposihon1．Basic concepts1．1 Finite incidence structures1．2 Incidence preserving maps1．3 Incidence matrices1．4 Geometry of finte vector spaces2．Designs2．1 Combi Mtorial properties2．2 Embeddings and extensions2．3 Automorphisms of designs2．4 Construction of designs3．Projectnre and affine planes3．1 General results3．2 Combinatorics of finite planes3．3 Correlations and polarities3．4 Projectivities4．Collineations of finite planes4．1 Fixed elements and orders4．2 Collineation groups4．3 Central collineations4．4 Groups with few orbits5．Construction of frnite planes5．1 Algebraic representations5．2 Planes of typeⅣ5．3 Planes of typeⅤ5．4 Planes of typesⅠandⅡ 6．Inversive planes6．1 General definitions and results6．2 Combinatorics of finite inversive planes6．3 Automorphisms6．4 The known finite models7．Appendices7．1 Association achemes and partial designs7．2 Hjelmslev planes7．3 Generaliaed polygons7．4 Finite semi-planea BibliographyDictionarySpecial notationsIndex