The invention discloses a holding device with a posture adjustment function for animal husbandry and veterinary surgery, which includes an operating table, a movable groove, a supporting leg, a holding mechanism, a rectangular hole and an animal lying mechanism, and the holding mechanism is movably installed on the top of the operating table On both sides of the operating table, the rectangular hole is set in the middle of the top of the operating table, and the animal lying mechanism is installed in the inner cavity of the rectangular hole; the securing mechanism includes a movable frame, securing ring, safety cylinder, suction cup, translation plate and weight The horizontal bar, the movable frame is arranged on the front and back of the operating table, the front and back of the retaining ring are fixedly welded to the top of the opposite side of the movable frame, and the opposite side of the translation plate is fixedly welded to the inner wall of the movable frame, The holding device with posture adjustment function for animal husbandry and veterinary surgery can fix both large and small animals, disperse the overall stress points, increase stability and avoid struggling by controlling animals affect surgery.