The invention discloses an engine high-pressure fuel pipe structure. The engine high-pressure fuel pipe structure comprises a fuel pipe body, wherein joints in sealing connection with connected parts are arranged at two ends of the fuel pipe body respectively; locking parts used for locking and positioning the joints with the connected parts are sleeved on the exteriors of the joints. The engine high-pressure fuel pipe structure can improve the sealing performance and ensure the normal usage of the engine fuel system.