Weak spermatozoa and weak ejaculation can be caused by bad habits or by diseases. 1. Bad habits: such as staying up late, tired, frequent masturbation, excessive sex and other factors, can also cause weak sperm, ejaculation weakness. 2. Diseases: for example, seminal vesiculitis, prostatitis, prostate hyperplasia, cystitis, urethritis, varicocele and other urological disorders can also cause weak spermatozoa and weak ejaculation. Weak spermatozoa ejaculation weakness, there may be other reasons, it is recommended to go to the regular hospital for examination, clear cause of the treatment as prescribed by the doctor. If there are bad habits, you should actively change the bad habits, remove the triggering factors. If you have a substantial disease, you should take appropriate treatment measures in a timely manner, follow the doctor’s instructions and regular review.