The invention relates to a two-vehicle automatic docking method based on visual positioning and laser distance measurement, wherein the method relates to the field of laser distance measurement technology. The invention provides a two-vehicle relative posture measurement method which realizes accurate measurement for postures of two vehicles. The invention further provides a two-vehicle automatic docking method which has advantages of reducing manpower and material resources in docking, reducing docking difficulty, and improving docking efficiency and docking precision. The automatic docking precision of the two-vehicle automatic docking method can reach a range of within 0.5mm.