The invention discloses a combined type degumming agent prepared from 85 wt%-95 wt% of a component A, 1 wt%-10 wt% of a component B, and the balance a component C, wherein the component A is alcohol, ketone and/or aldehyde, the component B is an alkali and the component C is a solvent; the combined type degumming agent can be used for degumming of nickel buckle cathode plates; compared with a conventional degumming agent, the combined type degumming agent has the advantages of low cost, low toxicity, small volatility and the like, and has no corrosion to the nickel buckle cathode plates.