Health insurance is one kind of the insurances, which refers to the medical expenses among individuals that are produced by illness or accidents. According to different demands of a targeted group, an insurer can develop a corresponding routine finance structure, such as a monthly premium or payroll tax. In this way, the insurance expenses are sure to pay for the health care benefits illustrated in the insurance agreement. Meanwhile, an insured is able to have a suitable insurance program based on his practical situation. Health insurance provides us the guarantee of health care. Health insurance is now primarily provided by the government in the public sector. Most expenses will be utilized in sectors such as Medicare, Medicaid and Children’s Health Insurance Program. Health insurance is also a measure of health care services, which helps people to pay for the treatment expenses and relieve their financial burden. In view of the obvious significance and usefulness, health insurance is tightly related with health care. With the help of health insurance, people are able to have a better life without misgivings about their health.