There are many causes of scrotal tingling, such as scrotal inflammation, scrotal eczema, varicocele, testicular and epididymal diseases. 1. Scrotal inflammation: localized infection of the soft tissues of the skin of the scrotum can cause congestion and swelling of the skin of the scrotum, thus leading to the symptoms of scrotal tingling. 2. Scrotal eczema: localized inflammatory reaction caused by stimulation of multiple factors may also cause symptoms such as scrotal tingling and itching. 3. Varicose veins: Varicose veins affect the local blood supply to the scrotum, which may also lead to scrotal tingling, tortuous venous blood vessels in the scrotal skin, and swelling of the scrotum. 4. Testicular and epididymal diseases: for example, orchitis, epididymitis, testicular cysts, testicular tumors, etc. can also cause scrotal tingling symptoms. There may be other causes of scrotal tingling, it is recommended to go to the hospital for examination, to clarify the cause of the disease, and follow the doctor’s instructions for treatment.