The right side of the root of the penis, the right testicular pain may be due to acute prostatitis, orchitis, varicocele and other diseases. 1. Acute prostatitis: Acute prostatitis is mainly caused by bacteria entering the urethra, bladder and prostate from the urethra, leading to frequent urination, urgency, painful urination, and even fever, etc. This condition may spread to the genitourinary tract, such as seminal vesicle glands, epididymis and other parts of the body, resulting in scrotal testicular pain. 2. Testicular inflammation: patients suffering from testicular inflammation can easily cause testicular torsion, especially under strenuous exercise, testicular pain will be aggravated. When patients suffer from testicular inflammation caused by bacteria or virus, they will have testicular pain and testicular enlargement, which is mostly seen in teenagers. 3. Varicose veins: patients will have aching sensation in scrotum or testicles, enlarged scrotum, scrotum and testicles on the affected side are lower than those on the healthy side when standing, and the surface of scrotum can be seen dilated and tortuous varicose veins. When lying down, the testicular pain will be reduced or disappear. When the symptoms of pain on the root side of the penis and testicles appear, it is recommended that the patient go to a specialized hospital to clarify the cause of the disease through the examination of blood routine and ultrasound, and then carry out treatment under the guidance of the doctor.