Affected by various factors such as environment and diet, the quantity, quality and activity rate of male sperm have decreased worldwide. Some men who marry later in life are in poorer health than younger people, which causes infertility and sows hidden dangers for a happy marriage. The quality of sperm is actually one of the best reflections of a man’s physical health. Many people do not pay much attention to their own health status when they are young, think young to carry, often overspending health. There are some people who think that when the time comes to quit smoking and drinking to restore health, in fact, these injuries to the body, including the sperm are cumulative, especially men as they get older this accumulation of sperm damage will be greater, plus the impact of some male diseases, one day suddenly broke out, want to recover as soon as possible is not so easy. A survey shows that more than 60% of men want to wait until they have a house, a car, a small career and then get married. In fact, from the health point of view, it may be “first to start a family, then establish a career”. With the aggravation of environmental pollution, the increasing pressure of survival, the impact of poor lifestyle, the incidence of infertility in China and the world level, the average of every 10 couples in a couple can not have children. At present, there is also a large increase in the number of people with male infertility due to old age and stress. In fact, the optimal age for fertility should be between 25 and 28 years old for both men and women. Avoid overspending to prevent infertility Men should avoid overspending on their health when they are young. To do this, you must pay attention to your daily habits and not put too much pressure on yourself, and also remember to check your health. It is recommended to pay attention to the following aspects: 1. Excessive obesity in the male body can lead to an increase in temperature at the groin, which damages the growth of sperm and thus leads to infertility, and weight control within the standard range can improve the quality of sperm. Therefore, long-term sedentary white-collar family, should participate in more exercise, move; 2, the prevention of infertility, men should go to the sauna, steam bath less. High temperature steam baths directly harm sperm, but also inhibit sperm production; 3, smoking, drinking alcohol is the most important factor in the decline of sperm quantity and quality, this has been confirmed by many. Therefore, young men, it is best to quit smoking and drink less in order to effectively avoid infertility; 4, excessive mental stress also has a negative impact on the growth of sperm, so men should properly relax themselves. After work, participate in some group activities, singing, travel, etc. is also a good choice; 5, eat more green vegetables. Green vegetables contain vitamin C, vitamin E, zinc, selenium and other components conducive to sperm growth; 6, frequent medical checkups at clinics. Pathogenic infections are also an important factor in male infertility, and you should visit your physician frequently to receive examinations related to chlamydia and prostate. There is also a relationship between the quality of male sperm and age. In addition to avoiding the above-mentioned habits that harm sperm, it is advisable to “start a family first, then establish a career”, for the sake of the health of future generations, but also for the sake of family happiness.