Abstract:Present condition of basic geographic information database update with the scale of ∶ 10000 in Shandong province has been analyzed. update working method, major updating content and technical route of basic geographic information database with the 1 ∶ 10000 have been introduced, and quality assurance system and quality control methods of updating information have been put forward as well. The aspects which should be paid more attention in the production operations have been studied from the following aspects: basic information collection, analysis and determination of attribute information of changes in factors, collection of the vector elements, present condition of information updating, accuracy and correction of vector elements, and the integrity of the vector elements. The origin of casuing the quality has been analyzed. Combining with practical experiences, some suggestions are put forward to gurantee the quality of products.