The invention provides a method for mounting an automobile full-visual-field screen at a small visual angle. A method for seeing the full-visual-field screen at the small visual angle is characterized in that the full-visual-field screen is arranged on a plane between a front windshield of an instrument panel upper board and a driver; the height of the full-visual-field screen is a downward-looking maximum downward-looking line in front of a driver with a lowest sight line without blocking the sight of the driver in seeing a road surface on the front side; the width of the full-visual-field screen is that the sight line of the driver who sees the front side directly views the center of the full-visual-field screen; the full-visual-field screen is composed of six display screens comprising a left front view photographing display screen H, a left rear view photographing display screen G, an automobile tail rear view photographing display screen C, a right rear view photographing display screen D, a right front view photographing display screen E and an automobile head front view photographing display screen F in sequence; a full-visual-field screen system is composed of the full-visual-field screen and cameras; and the cameras comprise seven cameras including a left front view camera, a left rear view camera, a right front view camera, a right rear view camera, an automobile tail rear view camera, a front camera and an automobile head front view camera.