Objective To study the efficacy of Delisheng Injection in the treatment of cancer cachexia. Method Three weeks dosage of Delisheng Injection were prescribed to the patients with cancer cachexia,50ml per day,symptoms and the level of cancer cachexia correlated cell factors were observed. Results Patients got better after treatment in the appetite,weight,physical status,while the level of the cell factors descended. Conclusion Delisheng Injection can regulated the level of the cell factors and improve the quality of life.