The price of tenofovir disoproxil fumarate tablets fluctuates because of different manufacturers and different regions. Generally the imported ones are slightly more expensive, the current price is about 16 yuan for 1 tablet, the country currently has a quantity procurement, the domestic price has been reduced to less than 15 yuan per month. Tenofovir fumarate is a first-line drug that has the effect of inhibiting viral replication and treating hepatitis B. However, there is not much difference between the efficacy of imported drugs and domestic drugs, but patients are advised to use the drug under the guidance of a professional doctor to avoid adverse reactions that may affect their health.