With the development of medical imaging technology, 68Ga-PSMA-PET/CT was successfully used in prostate cancer patients in 2012,[25] and showed good application value in the diagnosis, staging and recurrence of prostate cancer.[26] At present, there are more and more comparisons between 68Ga-PSMA-PET/CT and bone scan in the diagnosis of bone metastasis of prostate cancer, but there is still a lack of systematic analysis. Here, FOLH1 is linked to prostate cancer.