Jelly-like particles of semen may be caused by physiological factors or pathological factors, such as prostatitis, orchitis, seminal vesiculitis and so on. 1. physiological factors: several days without ejaculation, and then ejaculation out of the semen may be jelly or jelly-like, is a normal physiological phenomenon. It is normal physiological phenomenon. Generally, it will liquefy into a watery substance in about 30 minutes. 2. Pathological factors: If the semen is still jelly-like particles after more than 30 minutes, it is necessary to consider that the semen is not liquefied or incompletely liquefied. The main reason for this is inflammation of the reproductive system, such as inflammation of the seminal vesicles, orchitis, prostatitis and so on. Need to do semen routine, ultrasound and other tests to clarify. Overall, the jelly-like semen need to pay attention to, if necessary, go to the hospital to do semen routine, ultrasound and other tests to clarify the cause of the targeted treatment.