Diabetes mellitus causes complication, the decreasing quality of life, and death. One of the efforts to help people with education, but rarely followed up. That is why telenursing method needed. Telenursing is an easy, efficient, without time and dinstance barriers and it is cheaper than traditional method. It is to find out the influence of telenursing (Telephone Follow-Up) and diabetes self management education for 12 weeks towards fasting blood glucose level. The research method used quasi experiment with control group pre and posttest design; total sampling was 32 people divided into control group and intervention group, parametric measurement of data analysis used t test. The result from the measurement of intervention group, it is obtained that fasting blood glucose (P value 0,00), and analysis result on control group obtained fasting blood glucose (P value 0,00). There is a significant influence between telenursing (follow up via phone) with fasting blood glucose.