1, bad emotions emotional depression, good mental state, etc. will have a negative impact on the body’s endocrine, male G ball sperm production function will also be disrupted, the number of sperm may be sharply reduced, and even serious, there is a potential for infertility. 2, high temperature and high heat “low temperature environment” is the best breeding space for sperm, high temperature for sperm is a cruel test of survival. Therefore, men who like to wear tight and impermeable underwear, jeans or have the habit of soaking in a hot bath, or even often work in a hot environment, for a long time, beware of sperm dying from now on. 3, tobacco and alcohol medical research has found that the nicotine content in cigarettes can harm sperm, resulting in a decrease in the amount of sperm in male semen, which will also increase the content of deformed sperm; in addition, alcohol will lead to a weakened reproductive function, causing chromosomal abnormalities, which may further lead to fetal abnormalities or stunted development. 4, malnutrition sperm manufacturing and growth require the body to constantly supplement the basic nutrition, if men have the habit of partial diet, will cause uneven nutritional intake, so that the sperm starved, of course, will cause sperm weakness, exhaustion, and even death, male libido and sexual function will also produce obstacles. 5, drugs drugs in sedatives, sleeping pills, anti-cancer drugs, chemical drugs such as Maryland, hormonal drugs, etc. hinder the growth of sperm, so men should try to avoid long-term, large amounts of exposure to such harmful substances. In addition, radiation exposure may also cause chromosomal aberrations in sperm, so abuse should absolutely be avoided.