<i>Background:</i> Integrated community case management of common childhood illnesses (ICCM) is life saving curative health service delivery for common childhood illnesses (CHI) at health post and community level before developing a complication. ICCMCHI quality has little information in the study area. <i>Methods and Materials:</i> The focus of this evaluation was to evaluate the process of ICCMCHI program, and the approach of this evaluation was formative. Availability of program resources, compliance of health extension workers with ICCM guideline and acceptability of services were the dimensions of this study. The case study was conducted with both quantitative and qualitative data. Fifty-seven health posts were included from three woreda of the zone by deviant sampling techniques. For qualitative data health extension workers and health care managers were included. Data was analyzed by using SPSS soft ware version-20. Univariate, bivariate and multivariate logistic regression were used for quantitative data, and qualitative data was analyzed by using thematic analysis. <i>Result:</i> Compliance was 76% which is good even though most of health extension workers (HEW) were missing opportunities and identified reasons were an inadequate use of ICCM chart booklet and poor supportive supervision. 423 mothers or caregivers with sick under-five children were interviewed from 57 health posts. The mean score of client satisfaction on the quality of ICCM services received was 48.97. Satisfaction of caregivers with a mean score of client satisfaction on quality ICCM services was associated with primary level education, family annual income of and Muslim religion and received information about when to return for next revisit were found to be more likely to satisfy on the quality of ICCM services provided. <i>Conclusion and Recommendation:</i> Quality of ICCMCHI program was evaluated as good. There was an inadequate level of resource availability. Client’s satisfaction with integrated community case management of common childhood illness services was also good. All concerned bodies from local government and development partners are expected to strengthen regular supportive supervision, clinical mentoring, and continues performance review.