There is no authoritative clinical data to show how long an intervention treatment for liver cancer can last, generally an intervention treatment for liver cancer can last for about 1 month. Interventional therapy for liver cancer patients refers to injecting embolic agent or anti-cancer drug into the hepatic artery through femoral artery cannula under the guidance of CT or B ultrasound. Usually, one liver cancer intervention treatment can last for about 1 month, but how long it lasts should be judged according to the patient’s condition. Liver cancer interventional therapy can locally treat the lesion, which can make the tumor necrotic and control the development speed of the tumor, and the treatment has the advantages of shrinking the tumor, relieving pain, improving the quality of life and prolonging the survival time, etc. Most of the liver cancer patients can be treated with interventional therapy once. How long most liver cancers can be maintained after one intervention requires patients to consult doctor for examination, and the doctor will base on the patient’s condition to maintain the time after interventional therapy for liver cancer. In addition, during the period of liver cancer interventional therapy, patients should ensure enough rest and avoid overwork.