In general, the reasonable use of interferon by hepatitis B patients under the guidance of a doctor will not directly affect sexual function, but there is also a possibility of indirectly affecting sexual function in the case of adverse reactions after the use of the drug, such as anxiety, depressed mood and so on. If abnormal sexual function occurs, it is recommended to consult a doctor in time for treatment. Interferon is an early antiviral drug used in patients with hepatitis B. It is more popularly used in the clinical treatment of patients with hepatitis B. It mainly works by activating the body’s specific immune response to the hepatitis B virus. Although there are some adverse reactions to various systems of the human body, most of the adverse reactions can disappear after stopping the drug, and clinical studies have not found that interferon can directly affect sexual function. Hepatitis B patients may have some adverse reactions after taking interferon, mainly manifested as fever, nasal congestion and runny nose, headache and general muscle aches and pains, or insomnia, anxiety, depression, anemia, as well as thyroid function abnormalities, hair loss and so on. Generally, the above adverse reactions can be gradually disappeared after stopping the drug, basically will not leave sequelae. In conclusion, patients with hepatitis B may experience the above adverse reactions during the application of interferon, but no direct effect on sexual function has been found in the clinic for the time being. If abnormal sexual function occurs, you can go to regular hospitals to clarify the cause and timely treatment, so as not to affect the normal life.