Soy sauce-colored semen may be the phenomenon of hematospermia, which may be caused by seminal vesiculitis, prostatitis, prostate cancer and other reasons. 1. Vesiculitis: Vesiculitis is a relatively common cause of hematospermia. When patients have vesiculitis, the walls of the seminal vesicles may become edematous and congested. When you have a good deal of time, you will be able to get a good deal of time, and you will be able to get a good deal of time, and you will have a good deal of time, and you will be able to get a good deal of time. 2. Prostatitis: The prostate gland may be congested when it is repeatedly stimulated by inflammation, and too frequent sex may cause the capillaries inside the prostate gland to rupture, so that a small amount of blood will be stained in the semen during ejaculation, which will lead to bloody semen. 3. Prostate cancer: prostate cancer basically has no clinical manifestation in the early stage, when the tumor volume is so big that it presses the urethra, it can cause the symptom of bladder outlet obstruction, and the condition progresses, and the invasion of seminal vesicles can cause hematospermia. It is recommended that patients who have soy sauce-colored semen should go to the hospital in time to do urine routine, prostate fluid routine, semen routine examination to make a clear diagnosis. And usually should do their own personal hygiene condition, regular examination.