In this paper the advances in gas chromatography devoted by chinese scientists in China, were described. This review is divided 3 parts. This is 3rd part which contains. 8. GC application of efficacious component analysis in foodstuff. 9. GC application of wines.analysis. 10. GC application of contaminant analysis. 11. GC application of petroleum and petrochemical analysis. 12. GC application of chemicals analysis.