Prostatitis is a benign lesion and prostate cancer is a malignant lesion. Prostatitis mostly occurs in younger patients, such as 20-30 years old, the main manifestation is frequent urination, urinary urgency or feel uncomfortable, dull pain in the abdomen and perineum. Some patients may even experience discomfort in the lower back, where the pain is not very well localized, and there is no way to describe the discomfort, so the doctor may describe it as a localized pain, but more of a discomfort. Some patients may also suffer from insomnia at night, excessive dreams, or lack of rest, or neurasthenia. Prostate cancer appears in older men, common after 50 years of age of middle-aged and elderly men, the main symptoms and prostate hyperplasia is more similar, will also appear in frequent urination, urinary urgency, urine line thin, or hematuria symptoms. There are also some patients with bone metastases causing bone pain, generalized pain, masses, and severe hematuria, which are the typical symptoms of advanced stage.