Hepatitis C is generally referred to as viral hepatitis C. It is caused by infection with the hepatitis C virus and is mainly transmitted by patients with hepatitis C and chronic hepatitis C virus (HCV) infection. 1. Blood transmission: Inadvertent transfusion of HCV-infected blood products, the use of syringes and needles with viruses, dental instruments, endoscopes and needlesticks without strict sterilization will have a high probability of infection, such as sharing razors and toothbrushes with HCV-infected people, tattooing and earring piercing in informal places, etc., and skin and mucous membrane breakage can also cause Potential transmission through blood; 2. Sexual transmission: Sexual relations with HCV-infected patients can also be infected, and if sexual contact with patients who are also co-infected with HIV, they are more likely to be infected; 3. Mother-to-child transmission: If the mother is infected with hepatitis C virus and has a high viral load, the chances of mother-to-child transmission are higher. When in contact with the blood and body fluids of patients with hepatitis C, care should be taken to wear gloves and not to share razors and dental tools with them. To prevent sexual contact transmission, it is recommended to use condoms during sex. Pregnant women who are RNA positive for hepatitis C virus should avoid amniocentesis and minimize the duration of delivery to reduce the exposure of the newborn to the mother’s blood and to avoid mother-to-child transmission.