Through 2008～2011 year，main diseases and pests of Yanan apple producing areas were investigated.The results showed that the main diseases and pests of apple were Valsa ceratosperma（Tode et Fr.）Maire et al.a total of 17 species.In which Valsa ceratosperma（Tode et Fr.）Maire,Marssonina mali and Alternaria mali Roberts，Aphis citricola Van der Goot，Lithocolletis ringoniella Matsumura，Tetranychus viennensis Zacher had been very serious and universal，other diseases and pests of the severity due to local climate,orchard location，tree age，level of management in different areas.On the basis of investigion，according to the location and the management level will be divided into three type of apple in Yan’an.At the same time，some existing problems in the management and produce had analysed，the corresponding countermeasures had been put forward，and key measures of cultivation and management technique for diseases and pests of apple in different periods were given.