Coronary Heart Disease (CHD) is a form of blood vessel disorder that belongs to the category of coronary atherosclerosis. Anunreadiness of patients with CHD to go home from the hospital will have an impact on readmission as a result of ineffectivedischarge planning program during hospitalized. The purpose of this study was to examine the effect of the implementation ofdischarge planning program on the readiness to be discharged from the hospital. A quasi experiment with non-equivalent posttest only control group design was employed. The participant of the study was 32 respondents devided into control andintervention groups, each had 16 respondents who were taken from three hospitals in Bukittingi. The result showed thatdischarge planning program has significance influence on patient's perception of their readiness to be discharged from thehospital, it consisting of personal status, knowledge, coping ability, and support (p= 0.001; α= 0.05). This study recommendsthat a good discharge planning program can be implemented to improve the quality of nursing care, to reduce the risk ofreadmission to the hospital and the quality of life of patients with coronary heart diseases.