Normal semen is viscous, milky white and contains grayish white clots. After about 10-20 minutes, the clot liquefies itself and becomes translucent and turbid thin mucus. The smell of semen is produced by arginine secreted by prostate in semen, which is a unique fishy smell. If the semen is yellow, it may be inflammation such as prostatitis; Or the semen contains urine. It is not excluded that semen will turn yellow due to long-term non-ejaculation. According to your description, I suggest that you can observe carefully, combine your own situation, and actively go to the hospital for serious examination and follow the doctor's advice when necessary. Pay attention to local hygiene, drink plenty of water and avoid unclean sexual intercourse and frequent masturbation. Wish you good health.