Hepatitis B 245 positive can be injected with biological agents, Hepatitis B 245 positive suggests that the patient has been infected with Hepatitis B virus in the past, but has recovered now. Biological preparation is the biological with medical research value as raw materials, the use of biotechnology manufacturing, the role of the human physiological condition of the preventive treatment, in recent years in the rheumatic system diseases are widely used, including tumor necrosis factor antibody, anti-interleukin 1 antibody. Biological agents in the clinic include drugs such as etanercept, adalimumab, etc. For patients with hepatitis B 245-positive, because hepatitis B has now been recovered, the patient’s liver function is normal, and the transaminase level is in the normal range, so they can be used appropriately under the guidance of the doctor. Regarding the treatment plan of using biological agents, it is recommended that you can consult the relevant department of internal medicine or the licensed pharmacist in the hospital, and do not use them blindly on your own to avoid delaying the condition.