Hepatitis B antibody titer test is usually not expensive, nowadays the cost of quantitative hepatitis B test is usually around 100 dollars. If it is a simple hepatitis B surface antibody titer test, the cost is about 20 dollars, different medical institutions, testing organizations charge different fees, but similar, three hospitals will be relatively more expensive. Hepatitis B surface antibody titer can reflect the body’s immunity to the hepatitis B virus, if the antibody titer level is greater than 100mIU/ml, it can play a good preventive effect, if the antibody level is greater than 1000mIU/ml, within the next 5-7 years, the body’s antibody will generally be positive. If the titer of Hepatitis B surface antibody is less than 30mIU/ml, it is better to need to be vaccinated with Hepatitis B vaccine.