The invention discloses a ballonflower harvesting machine which comprises a stand and land wheels. The land wheels are arranged at the bottom of the stand; the front end of the stand is provided with a traction bracket, and the rear part is provided with a collection box; the bottom of the front end surface of the stand is provided with a lifting coulter; a power converter is arranged in front of the stand and near to the traction bracket; the front of the power converter is provided with a power input rod, and one side is provided with a power input shaft; the power converter is connected with a chain type mesh sieve through an oscillating transmitting device; and the chain type mesh sieve is arranged in the stand on the front end of the stand and comprises a power output chain wheel, a power accepting shaft, a power accepting chain wheel, an oscillating block, a chain, an upper transmission shaft, a lower transmission shaft, an upper transmission chain wheel and a lower transmission chain wheel, wherein the upper transmission chain wheel is arranged on the upper transmission shaft, and the lower transmission chain wheel is arranged on the lower transmission shaft. The ballonflower harvesting machine has the advantages of low labor intensity, high work efficiency and simple process and is suitable for rapidly harvesting the ballonflower and the crops similar to the ballonflower in one time.