What is health insurance?
What is health insurance?
With health insurance,the insured(employee)and the business owner (company) share insurance premiums, and each other provides medical care and cash necessary when the person or family is ill, injured, giving birth, or dies. This system was born with the purpose of alleviating anxiety in daily life.
Business and mechanism

About insurance card
Health insurance card
- Health insurance cards will no longer be issued after December 2, 2024.
- Please use your My Number Insurance Card using your My Number card.


How to use your health insurance card at the hospital
Explanation about the mechanism and benefits of receiving medical treatment using a health insurance card at a hospital.
If you show your health insurance card to the hospital window, you can receive medical services by paying 30% of the medical expenses. So where is the remaining 70% borne? do you know? Actually, it has the following mechanism.

Benefit ratio
Compulsory education until preschool
80% benefit 【Health insurance burden】 |
20% 【Patient burden】 |
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After entering compulsory education-69 years old
70% benefit 【Health insurance burden】 |
30% 【Patient burden】 |
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Health insurance cannot be used in such cases
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Illness or injury during work or commuting |
Please treat with workers' accident compensation insurance. | |
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Treatment for mere fatigue and recovery from fatigue |
However, if you continue to be tired and suspect that you are ill, you will be covered by health insurance. | |
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Cosmetic surgery for beauty |
However, if strabismus interferes with labor, you will be covered by health insurance for cleft lip and palate, plastic surgery for treating injuries, and armpits that cause significant discomfort to others. | |
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Medical examination |
The health insurance association provides subsidies as a health business. | |
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Preventive vaccine |
However, it is allowed in cases of tetanus, rabies, measles, whooping cough, etc., which are at risk of infection. | |
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Normal pregnancy, childbirth |
However, if you need to be treated, such as toxemia of pregnancy or abnormal childbirth, you will be covered by health insurance. | |
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Advanced medical care under study |
However, if you receive a medical examination specified by the Minister of Health, Labor and Welfare at a "specified approved insurance medical institution" such as a university hospital approved by the prefectural governor, you will be covered by health insurance. | |
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Abortion surgery for financial reasons |
However, abortion surgery based on the Maternal Health Act is covered by health insurance. |