Abstract: 1BSQ-260 type paddy harrow slurry machine could finish paddy field harrow，bury stubble，flat ground，and slurry operation one time，the operation effect is good，it could make soil on fine under thick，the paste under the pine，it could satisfy the mechanization planting agronomic requirements.And it also has the advantages of high efficiency，fewer into the field，soil structure protection.Economic benefits of this machine were analyzed.Results showed that this machine could recover investment in one job season，the ratio of investment and profit was 1∶16，economic efficiency was high，and it had good social benefit and ecological benefit at the same time.