Thymofaxine for injection, the correct way to play is subcutaneous injection, the treatment of different diseases with different courses of medication, need to follow the doctor’s instructions. Thymofaxine for injection can be used for chronic hepatitis B, can enhance the immune response to viral vaccines in immunocompromised patients. The instructions state that the product should be used as 1.6mg per dose, dissolved in 1ml of water for injection and injected subcutaneously immediately. The dose of this product for the treatment of chronic hepatitis B is 1.6mg twice a week, 3 to 4 days apart. It is administered continuously for 6 months. As a vaccine immune response booster 1.6mg twice weekly at 3~4 days interval. Administer for 4 consecutive weeks, with the first injection to be given subcutaneously immediately after vaccination. Adverse reactions to this product may be seen as injection site discomfort and fluctuations in gammaglutaminase. The drug is contraindicated in people who are allergic to the product and are undergoing immunosuppressive therapy. The drug should be used under medical supervision.