(a) Male hepatitis B carriers above forty (b) People who suffer from cirrhosis of the liver (c) People with a family history of liver cancer and whose liver does not function properly 2.
（1）四十歲以上的男性 B 型肝炎帶原者（2）肝硬化患者（3）近親中有罹患肝癌死亡，而本人肝功能亦不佳者