A test apparatus for a flexible circuit board (5), the apparatus comprising a main clamp (1), a first rotary shaft arm (2) and a second rotary shaft arm (3). The first rotary shaft arm (2) and the second rotary shaft arm (3) are respectively rotatably mounted on a first moving table (8) and a second moving table (9) by means of a first main shaft (6) and a second main shaft (7); the first rotary shaft arm (2) and the second rotary shaft arm (3) have a sandwich space for simulating a moving space of the flexible circuit board (5); the first moving table (8) is provided with a first driving component (13) in transmission connection with the first main shaft (6), the second moving table (9) is provided with a second driving component (14) in transmission connection with the second main shaft (7), and the first driving component (13) and the second driving component (14) are used for driving the first rotary shaft arm (2) and the second rotary shaft arm (3) to perform an opening and closing action; and the first rotary shaft arm (2) and the second rotary shaft arm (3) are both provided with secondary clamps (4), and the secondary clamps (4) are used for positioning two ends of the flexible circuit board (5) and are electrically connected to the flexible circuit board (5). The test apparatus for a flexible circuit board (5) can provide more comprehensive and accurate test data for the design of the flexible circuit board (5).