A flexible display panel, comprising a main view portion, and a first side view portion, a second side view portion, and a third side view portion that are disposed at an edge of the main view portion; wherein the main view portion comprises a middle portion and an edge, wherein the edge of the main view portion comprises a first section, a second section, and a corner section connected between the first section and the second section; and the main view portion comprises a display face and a back face that is back to the display face; and the first side view portion extends from the first section in a direction leaving the middle portion of the main view portion and bends toward the back face side; the second side view portion extends from the second section in a direction leaving the middle portion of the main view portion and bends toward the back face side; and the third side view portion is connected between the first side view portion and the second side view portion, and the third side view portion extends from the corner section in a direction leaving the middle portion of the main view portion and bends toward the back face side, wherein two ends of an outer contour of the third side view portion respectively connect to an outer contour of the first side view portion and an outer contour of the second side view portion, and a middle portion of the outer contour of the third side view portion upwarps toward the main view portion in a direction perpendicular to the main view portion, wherein one end of the outer contour of the third side view portion connects to the outer contour of the first side view portion at a first intersection, and the other end of the outer contour of the third side view portion connects to the outer contour of the second side view portion at a second intersection, characterized in that the middle portion of the outer contour of the third side view portion that upwarps toward the main view portion comprises an apex, wherein at least a perpendicular distance from the apex to the display face of the main view portion is greater than a perpendicular distance from the first intersection to the display face of the main view portion, and the perpendicular distance from the apex to the display face of the main view portion is also greater than a perpendicular distance from the second intersection to the display face of the main view portion. the main view portion comprises a middle portion and an edge, wherein the edge of the main view portion comprises a first section, a second section, and a corner section connected between the first section and the second section; and the main view portion comprises a display face and a back face that is back to the display face; and the first side view portion extends from the first section in a direction leaving the middle portion of the main view portion and bends toward the back face side; the second side view portion extends from the second section in a direction leaving the middle portion of the main view portion and bends toward the back face side; and the third side view portion is connected between the first side view portion and the second side view portion, and the third side view portion extends from the corner section in a direction leaving the middle portion of the main view portion and bends toward the back face side, wherein two ends of an outer contour of the third side view portion respectively connect to an outer contour of the first side view portion and an outer contour of the second side view portion, and a middle portion of the outer contour of the third side view portion upwarps toward the main view portion in a direction perpendicular to the main view portion, wherein one end of the outer contour of the third side view portion connects to the outer contour of the first side view portion at a first intersection, and the other end of the outer contour of the third side view portion connects to the outer contour of the second side view portion at a second intersection, characterized in that the middle portion of the outer contour of the third side view portion that upwarps toward the main view portion comprises an apex, wherein at least a perpendicular distance from the apex to the display face of the main view portion is greater than a perpendicular distance from the first intersection to the display face of the main view portion, and the perpendicular distance from the apex to the display face of the main view portion is also greater than a perpendicular distance from the second intersection to the display face of the main view portion.