In technical terms, genetic genes are nucleotide sequences containing specific genetic information, i.e. deoxyribonucleic acid, also known as DNA, which is the main material basis for storing and transmitting genetic information and replicating cells. Genetic genes perform their functions by synthesizing the corresponding functional proteins, and genetic information is passed from one individual to another in the form of replication through various chemical interactions, thus preserving the informational characteristics of the previous generation. Genetic genes are located in chromosomes, humans generally have 46 chromosomes, each 1 chromosome contains hundreds of genes, humans have about 20,000-30,000 groups of genes that can maintain biological characteristics, but also mutations that can bring diseases to the body. Genes originate from parents and do not normally change. If there is a congenital disease, it can mostly indicate a defect in the gene. For the study of genetic genes, the Human Genome Project has been completed for many years, and with the development of biology molecular biography technology, many genes are continuously discovered and many genetic disease genes are continuously diagnosed, and after the diagnosis can be used for disease prediction, disease diagnosis, medication guidance or assessment of the risk of morbidity, and currently the testing of genes can be used to screen for genetic diseases before or during pregnancy.