Stereotactic radiotherapy system quality control detection motif and method

The invention relates to a stereotactic radiotherapy system quality control detection motif and method. The motif part mainly comprises a multi-stage phantom connected by a phantom connection rod. A head mold groove is arranged on one end of the multi-stage phantom. The head mold groove is connected with one end of a head mold connection rod. The other end of the head mold connection rod is connected with a head mold. The head mold is provided with a head mold insertion plate groove. The multi-stage phantom is provided with an X-Y direction insertion plate groove, a Y-Z direction insertion plate groove and an ionization chamber insertion plate groove. According to the motif provided by the invention, a novel structure is designed, and each part of a human body can be accurately detected.