Reproductive insurance, also known as self-preservation, refers to the need to preserve one’s own semen for future fertility for various reasons. The specific process is: semen is removed from the body in advance, processed and frozen in liquid nitrogen (-196°C) in a sperm bank, then taken out and revived for use when needed, making it possible for the applicant to obtain his or her own offspring through assisted reproductive technology (artificial insemination or in vitro fertilization technology). Who needs reproductive insurance service: 1.Patients who are often exposed to toxic and harmful substances or teratogenic rays in their work and living environment, or patients who need chemotherapy for tumors, before chemotherapy, can save their semen through reproductive insurance service in case they are unable to have children in the future. 2, before performing assisted reproductive technology, patients who are separated from each other, the male partner cannot come to the assisted reproduction center frequently, or the male partner has difficulty in retrieving sperm, and the quality of semen is declining, can freeze their semen through reproductive insurance for use in assisted reproductive technology. 3. For those who want to preserve their semen for future needs, and for those who want to preserve semen before sterilization, they can also buy an insurance policy for their fertility through reproductive insurance services. The quality of male semen is currently declining all over the world. Various factors such as environmental pollution, chemical and microwave radiation, as well as infections caused by viruses in our surroundings may cause a decrease in male fertility. Furthermore, due to the current family planning policy in China, most families have only one child, so if there is a mistake during their growth, they will face the dilemma of having no next generation. If self preservation is performed when the cells are most active and the vital information is healthy and perfect, we can have a second hope for a healthy offspring.