A multifunction fitness testing device (1, 1a) is disclosed. The multifunction fitness testing device (1, 1a) includes a main body (10), a muscular endurance test part (20), a flexibility test part (40), a grip test part (50), and a host computer (200,200a). The muscular endurance test part (20) connects to the main body (10). The muscular endurance test part (20) includes a foot fixing part (22) and a folding plate (21). The foot fixing part (22) connects to the folding plate (21). The flexibility test part (40) is located near the foot fixing part (22). The host computer (200, 200a) connects to the main body (10) and electrically connects to the folding plate (21), the flexibility test part (40), and the grip test part (50).
