The left scrotum vague pain, the biggest possibility is varicose veins or chronic orchitis, epididymitis, may also be caused by prostatitis. This condition suggests that you do a scrotal ultrasound examination and also a prostate fluid laboratory test. If the prostate fluid has increased white blood cells and decreased lecithin vesicles, it is prostatitis. Patients with prostatitis may have pain in the lower abdomen, perineum, and scrotum. This condition should be treated according to the standard treatment of prostatitis, and it is recommended to take warm water sitz baths every night, have regular sexual intercourse, and not be sedentary. If the scrotum is diagnosed with varicose veins, the ultrasound can reveal that the varicose degree is greater than 0.2cm, which is a scrotal pain caused by venous reflux obstruction, and this condition can be relieved by taking oral medication.