Sperm a grain a grain may be a normal physiological phenomenon, but does not exclude prostatitis, orchitis and other pathological factors. It is recommended to consult a doctor in time, under the guidance of the doctor to clarify the cause of the disease after treatment. 1. Normal physiological phenomenon. Usually, after the sperm is discharged from the body, due to the role of gelatinase, it reacts with oxygen to form a kind of crystallization visible to the naked eye, so the above symptoms will appear. Don’t worry, this is a normal physiological phenomenon, after 30 minutes will gradually disappear, so that the role of semen liquefaction, there is no need to carry out special treatment. 2. Prostatitis. It is usually due to bacterial infection, irregular sex life and other factors, resulting in inflammatory lesions of the prostate gland. It also affects the nature of semen, which may cause the above mentioned situations, and needs to be treated in time. 3. Testiculitis. It is mainly due to inflammatory lesions caused by bacteria, viruses, chlamydia, mycoplasma and other infections of the testicles. It is often characterized by high fever, acute pain and swelling of the testicles and other discomforts, which can also affect the nature of semen, thus resulting in the above situation. Abnormal semen should be treated under the guidance of a doctor after the cause of the abnormality has been clarified.