The Research team uses the standardized material course which is authorized by the Health Department of Taiwan-"The Gatekeeper Training Program" to do our interventions. Facilitators are trained to use the same material and ways to teach the experimental group and control group in consistency. In this part, the investigators do not discuss the suicide case vignette, so the investigators can divide this from the group which trained by interactive discussion and therefore the investigators can evaluated the effect of using discussion group in our training.