The precautions for sperm donation mainly include paying attention to personal hygiene, avoiding frequent sex, paying attention to rest, and relevant examination before sperm donation. 1. Pay attention to personal hygiene: men must pay attention to personal hygiene, wash the glans with warm water every day to avoid bacterial infection of the glans, which will affect the quality of sperm. 2. Avoid frequent sexual life: before sperm donation, men should not have excessive sexual life, and they should abstain from sex appropriately to improve the quality of sperm. 3. Pay attention to rest: Before donating sperm, you must pay attention to the fact that you must not be overly tired, you should have enough rest, avoid staying up late and avoid excessive alcohol consumption. 4. Relevant examination before sperm donation: You should cooperate with the doctor to do relevant examination items, including health examination and semen examination, and can only take sperm after passing the physical examination. Sperm donation must go to a regular organization and consult the relevant preparations first.