To observe the effectiveness of abdominal acupuncture treating insomnia related Bi-syndrome of casino employees in Macao.Methods： A randomized controlled trial was conducted. Seventy seven patients in accordance with the diagnosis criteria were randomly divided into the treatment group and the control group. Patients of the treatment group received abdominal acupuncture and normal acupuncture was given to patients in the control group. Self-Rating Scale of Sleep(SRSS) and Visual analogue scale (VAS) were applied for evaluating the effectiveness in sleeping and Bi-syndrome. Results： There were significant differences in SRSS and VAS scores after treatment between the two groups(P<0.05).The total effective rate of treatment group was 89.47% and that of control group was 71.79%. There was significant difference in total effective rate between two groups(P<0.05).Conclusion： The effectiveness of abdominal acupuncture is superior to the normal body acupuncture in treating insomnia related Bi-syndrome of casino employees. It is worthy of popularization and application.