Lower limb positioning device for radiotherapy

The utility model discloses a lower limb positioning device for radiotherapy, which is characterized by comprising a positioning base plate, an adjustable support, a positioning cushion and a fixing film. The adjustable support is positioned on the positioning base plate, the positioning cushion is positioned on the adjustable support, and the fixing film is positioned on the adjustable support; and the fixing film comprises a mesh film and two fixing skeletons. By using the lower limb positioning device, position adjustment is convenient and rapid, positioning is accurate, radiotherapy is high in repeatability and precision, and curative effect of radiotherapy is obviously improved; and the lower limb positioning device for radiotherapy enables a patient to be comfortable while saving medical cost for the patient, which has a good reputation among patients and family thereof.