The invention discloses a particle fertilizer application apparatus, which comprises a fertilizer application vehicle body and a material feeding box arranged on the top portion of the fertilizer application vehicle body, wherein a material feeding cavity is arranged in the material feeding box, a first rotation breaking member is arranged in the material feeding cavity, a breaking cavity with thetop portion communicated to the bottom portion of the material feeding cavity is arranged in the fertilizer application vehicle body on the bottom portion of the material feeding box, second rotationbreaking members symmetrically arranged left and right are arranged in the breaking cavity, a sliding cavity capable of extending toward the left side is communicated in the fertilizer application vehicle body on the bottom portion of the breaking cavity, a guide groove is arranged in the rear side inner wall of the sliding cavity, a threaded rod capable of extending left and right is arranged inthe guide groove, the threaded rod left side extending end is rotatably connected to the left side inner wall of the guide groove in a matched manner, the threaded rod right side extending end is connected to a first motor in a matched manner, the outer surface of the first motor is embedded in and fixedly connected to the right side inner wall of the guide groove, and a sliding box is slidably connected in the sliding cavity in a matched manner. According to the present invention, the particle fertilizer application apparatus has advantages of simple structure, convenient operation, high safety, breaking quality improving, fertilizer application effect improving and operator labor reducing.