Tenofovir is now in our hospital is 490 yuan 1 box, which is 30 capsules, can take 1 month of the amount. Tenofovir is an antiviral drug for hepatitis B, and is now considered one of the newest drugs. Now it and entecavir, the application of their antiviral drugs more people, the treatment effect is also more ideal, is the national and international guidelines are recommended antiviral drugs, the effect is also relatively good. Now the side effects of the drug is mainly compared to entecavir, for kidney damage is slightly more obvious, to weigh the pros and cons of using the drug. However, if there are reproductive requirements, patients who intend to consider the recommendation to take tenofovir safer, this is based on the patient’s personal situation to choose.