Abstract: Abstract :Objective 　To investigate the therapeutic effect of Aidi injection combined with t ranscather hepatic arterial chemoembolization in t reatment for primary liver cancer. Methods 　Sixty-three cases with primary liver cancer were randomly divided into two groups. The treated group ( n = 33) received Aidi injection combined with t ranscather hepatic arterial chemoembolization, and the control group ( n = 30 ) were treated with transcather hepatic arterial chemoembolization alone. Results 　The response rates in the treated group and control group were 60. 6 % and 53. 3 % respectively . The remission of symptoms were 72. 7 % and 33. 3 % respectively . The improvement of life quantity were 54. 5 % and 30. 3 % respectively. In the clinical symptoms and the quality of life, there were significant difference between the two groups, P < 0. 05. Conclusion 　The treatment of Aidi injection combined with t ranscather hepatic arterial chemoembolization was helpful to improve the clinical symptoms and the quality of life for patients with primary liver cancer.