The invention discloses a multifunctional garlic combined harvester which comprises a walking operation system, a power and transmission system and a framework main beam, wherein the walking operation system and the power and transmission system are respectively connected with the framework main beam; a bionic shoveling system, a cutting system and a garlic loading and transporting system are arranged on the framework main beam; the power and transmission system comprises an engine, a clutch wheel, a steering wheel, a loading and transporting driving wheel, a loading and transporting driven wheel, a power generator and a gearbox; a driving wheel on an output shaft of the engine is connected with the clutch wheel through a main V-belt; the clutch wheel is connected with the steering wheel; the steering wheel is connected with the gearbox through a transmission shaft; the gearbox is connected with the bionic shoveling system; the clutch wheel is connected with the loading and transporting driving wheel; the loading and transporting driving wheel is connected with the loading and transporting driven wheel; the clutch wheel is connected with a driving rear wheel of the walking operation system; and the power generator is connected with the output shaft of the engine. According to the multifunctional garlic combine harvester, a plurality of processes such as shoveling, hair cutting, garlic bulb shearing, loading and transporting can be completed at one time, so that the garlic digging efficiency and effect are improved, the labor intensity of farmers is reduced and the production efficiency is improved.