The utility model discloses a composite bow with an integrated main chord, which comprises a bow body, two ends of the bow body are respectively provided with a first bow wheel and a second bow wheel through bow pieces, and two auxiliary chords are arranged between the first bow wheel and the second bow wheel. A main chord is installed between the first bow wheel and the second bow wheel and is of an annular structure. According to the utility model, the main chord is of an annular structure, the degree of freedom of the main chord is high, and adjustment is convenient; the bow wheel main body is provided with a hook between the two guide grooves; the two ends of the main string pass through the main string grooves of the first bow wheel and the second bow wheel and then are hung on the corresponding hooks, the two ends of the main string do not need to be bound, the main string can move freely, and the adjusting performance is better.