Pyrolysis of dried sewage sludge is regarded as an effective treatment method as well as a promising technology for energy/fuel production. In this work, thermochemical conversion of dried sewage sludge in a continuous reactor at different pyrolysis temperatures (400–800 °C) and solid residence times (6–46 min) was conducted. The pyrolysis products obtained using different pyrolysis conditions were extensively investigated. It is indicated that high pyrolysis temperature (>700 °C) and long solid residence time (>23 min) could enhance secondary reactions and decrease the yield of bio-oil. The maximum yield of bio-oil of 16.69% was achieved at reaction temperature of 700 °C and solid residence time of 23 min. The FTIR and GC-MS analyses of the bio-oil obtained at optimum condition indicated that it contained large amounts of phenols and esters. H2 and CO2 were the main components of pyrolysis gas, with a total amount that exceeded 52.18%. The characteristics of the char, including elemental composition, fun...