The invention relates to the field of animal medicine, and discloses a colloidal gold test strip capable of simultaneously detecting waterfowl source parvoviruses and a preparation method. The colloidal gold test strip comprises a base plate, a sample pad, a gold mark pad, a nitrocellulose membrane and an absorbent pad, the gold mark pad is coated with colloidal gold mark protein with gosling plague virus monoclonal antibodies I, detection lines and quality control lines are sequentially arranged on the nitrocellulose membrane along flowing directions of samples, the detection lines of the nitrocellulose membrane are coated with gosling plague virus monoclonal antibodies II, and the quality control lines of the nitrocellulose membrane are coated with goat-anti-mouse IgG (intravenous gamma globulin) antibodies. The colloidal gold test strip can simultaneously detect goose parvoviruses, Muscovy duck parvoviruses and novel Muscovy duck parvoviruses, false positive of reaction is reduced to a great extent, and specificity and sensitivity of detection are improved.