This is a single arm study to evaluate the safety and biodistribution of 68Ga-labeled NY108 (68Ga-NY108) PET Imaging in patients.

Inclusion Criteria:

1. Patients voluntarily signed informed consent;
2. Age 18-75, male;
3. Patients diagnosed with prostatic cancer confirmed by histopathology or cytology;
4. At least one measurable solid lesion has been examined according RECIST1.1 standard;
5. Patients with biopsy-proven PSMA positive;
6. ECOG score 0~3; Life expectancy of at least 3 months;

Exclusion Criteria:

1. Recovery from major trauma (including surgery) within 4 weeks prior to study treatment;
2. Patients with systemic or locally severe infections, or other serious coexisting diseases;
3. Patients with allergies or allergies to any component of the imaging agent or antibody;
4. Patients who cannot perform PET/CT imaging scan;
5. Patients with abnormal immune function or who have recently used immunosuppressive or potentiating agents including various vaccines;
6. Patients with autoimmune diseases, including rheumatoid arthritis; Inadequate control of arrhythmias, including atrial fibrillation;
7. Uncontrolled hypertension;
8. Syphilis, HBV, HCV, or HIV positive subjects;
9. Male subjects of reproductive age cannot take effective contraceptive measures;
10. Patients with a history of mental illness or related conditions;
11. Other subjects considered unsuitable by researchers.