The invention discloses a high-speed low power consumption long-distance SFP+ optical module for transmission, including an electrical interface and an optical fibre input/output interface, an EML laser component arranged in the SFP+ optical module, an optical detector component, a DML laser drive module which is connected between the electrical interface of the SFP+ optical module and the EML laser component to drive the EML laser component, and a microcontroller which is connected with the electrical interface and the DML laser drive module. The invention makes improvement from a plurality of aspects, reduces the power consumption of the optical module, and improves the precision.