Background: Long-term care that must be undertaken by patients with diabetes mellitus (DM) is very difficult to control effectively, so it is important to pay attention to psychological aspects in addition to the physical aspects of patients that are often overlooked by health workers. Interventions needed by health workers today are psychoeducation using teraupetic communication techniques. right. Therapeutic communication is needed in intervening in individuals with DM. Objevtive : Knowing the comparison between the effectiveness of psychoeducation and education on the degree of depression in patients with diabetes mellitus Method : The research method used in this study is quasi-experimental (Quasi Experiment) with the Two group pretest-posttest design model. The sampling technique used is non-probability sampling with purposive sampling technique. A sample of 30 respondents was divided into 15 respondents for the education intervention group and 15 respondents for the psychoeducation intervention group. Psychoeducation interventions and education carried out for 2 weeks with 2 meetings for 30-40 minutes. The degree of depression is measured using BDI (Beck Depression Inventory). Bivariate analysis using Wilcoxon and Mann Whitney analysis. Results: There is a significant difference in the degree of depression between before and after psychoeducation and therapeutic communication techniques with a p value of 0.008 (> 0.05). There was no significant difference in the degree of depression between before and after education with a p-value of 0.564 (<0.05). There was a significant difference in the degree of post-test depression between the education group and the psychoeducation group with a p-value of 0.037 (<0.05). Conclusion: There is a statistically significant effect of psychoeducation therapy with therapeutic communication techniques on the degree of depression in DM patients, so this therapy can be recommended as one of psychotherapy in reducing the degree of depression in DM patients