The discrimination in religious affair has become a global problem which is very essential to be noticed in a linguistic way, especially for conflict between Israel and Palestinians on Gaza which keep on happening for many years. This study contributes in critical discourse study by interpreting the discourse to understand social culture from the linguistic perspectives by analyzing text through systemic functional linguistics: appraisal system. The gap of the study which differs from other researches is namely analyzing the news item from Cable News Network (CNN) dated in April in 2018 in the religious case investigated in the aspects of language evaluation. The study focuses on attitude: affect to find out the classification of feeling used in the text to construe the cultural aspects. The design of the study is descriptive qualitative. There are two kinds of validity implemented in this study. They are expert validity and source validity. The expert validity is reached through the comments given by the experts. The findings of the study show that the text consists of appraisal which shows unhappiness: antipathy (23.81%); security: confidence (23.81%); dissatisfaction: displeasure (14.29%); insecurity: disquiet (9.52%); behavioral surge (9.52%); insecurity: surprise (4.76%); inclination (4.76%); security: trust (4.76%); unhappiness: misery (4.76%). The appraisal can show that the text has applied negative feeling on unhappiness: antipathy of Israel to Palestinians and security: confidence between them who both of them feel strongly confident in their each deed.