Entecavir tablets should be taken under the guidance of a doctor, and it is generally recommended that they be taken on an empty stomach for the best time of day, with a difference of no more than 3-4 hours. Entecavir tablets are strong and low resistant nucleoside analogues that have a significant effect on the inhibition of hepatitis B virus, mainly inhibiting the enzymes of the hepatitis B virus transcriptional replication process, to achieve the effect of controlling the virus, the course of treatment depends on the patient’s own situation. This drug should be taken for a short time each day and must be taken on an empty stomach (no food should be eaten 2 hours before and after taking the drug), in order to effectively avoid excessive fluctuations in drug concentrations and to maintain stable blood concentrations, which also helps to achieve the best results in drug absorption and utilization. In addition, patients taking oral entecavir tablets for antiviral therapy need to take the drug for a long time if they do not reach the discontinuation indication. If you do not reach the discontinuation indication and stop the drug on your own, you may experience virus rebound, aggravate liver damage, or even cause liver failure, which may endanger your life.