HYNIC-FAPI-04 is a useful ligand for making [99mTc]Tc-HYNIC-FAPI-04. In vitro experiments, the results indicated that [99mTc]Tc-HYNIC-FAPI-04 showed binding properties, and inhibited the migration of tumor cells. The [99mTc]Tc-HYNIC-FAPI will be a promising SPECT/CT imaging probe.