Thanks for the query.
If you meant to say daily masturbation and ejaculation of semen is bad, then the answer is no. It is natural and it has no harmful effects on the body and health or will not affect your future chances of reproduction.
Hence do not worry and be normal.
Hope this helped.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.