Interrogation is a most important approach to the breakthrough of criminal cases.For such cases as bribery,thorough investigations all depend on fruitful interrogations.Interrogation strategies and techniques vary,for different phases requires different interrogation techniques in order for a stitch in time to save nine.In practice,a timely summation and pectination of success experiences in interrogation for further studies will be of great help for the development of abilities of interrogation of criminal cases of bribery.