Prostatitis may cause testicular pain, but testicular pain is not necessarily caused by prostatitis. The prostate gland is wrapped in the root of the urethra, and when prostatitis occurs, it mainly manifests itself in urinary frequency, urinary urgency, urinary pain, dysuria, urinary dribbling and other urinary abnormalities, and some patients may experience pain in the lower abdomen, perineum, pelvic area, causing radiating pain in the testicular area; in addition, inflammatory stimulation affects the local circulation, and testicular pain is also likely to occur. However, it does not mean that as long as testicular pain occurs, it must be prostatitis. Because, there are numerous reasons for testicular pain, and prostatitis is not a common cause. Common causes of testicular pain include orchitis, epididymitis, varicocele, and testicular syringomyelia. The following article describes: 1, orchitis, epididymitis: testicular and epididymal inflammation will cause local congestion, edema, pain, mostly due to bacteria along the urethra, vas deferens retrograde into the epididymis, testicles caused. 2, varicocele: spermatic cord is connected to the upper end of the testicles for the round cord-like structure, which has vas deferens, testicular arteries, trapezoidal venous plexus, etc., the trapezoidal venous plexus varicose is also known as the varicose vein of spermatic cord, which will impede the testicle Testicular sheath effusion: chronic testicular inflammation, trauma, etc. will cause fluid accumulation in the sheath cavity wrapped around the testicles, and when the amount of fluid accumulation is large, it can cause localized swelling and involving pain.