Prostatic discharge containing many septic cells is one of the typical manifestations of Reiter syndrome, a group of diseases in which fever, skin and mucous membrane damage, urethritis and conjunctivitis are the main manifestations. It’s a good idea to have a good look at the product. The following is a brief introduction: 1, rheumatoid arthritis: its arthritis performance and even X-ray performance are similar to this sign, but generally rheumatoid arthritis will not appear at the same time urethra, conjunctivitis and skin mucous membrane damage. 2, ankylosing spondylitis: patients with chronic spinal lesions must be distinguished from ankylosing spondylitis, the two ophthalmologic and X-ray manifestations are not very different, but if there is a history of periarthritis accompanied by urethritis, especially with overflowing purulent keratosis skin manifestations, then support this sign. 3, gonorrheal arthritis: gonococcal arthritis is limited to the synovial membrane; does not invade the joint, so the joint fluid gonococcal culture is negative, but the culture of purulent urethral secretions is positive, while this sign is not detected gonococci. In this case, although there is glans circumscriptio, there is no comradeship of gonorrhea with glans prepuce and urethral erythema. The skin lesions and pus-filled cutaneous keratosis are characteristic of this syndrome, while gonorrhea is characterized by vascular pustular dermatosis.