Islamic Communication Ethics is a guideline for doing action on the basis of morality closely related to theQur’an and the Hadith of the Prophet. Islamic communication ethics is very important and interesting tostudy and examine more deeply. By implementing good Islamic communication ethics on social media,particularly Twitter, it is expected that it can prevent the negative impact of using social media. Based onthe above context, the objective of this study is to answer the question of how to implement Islamiccommunication ethics in the social actions of netizens on social media of Twitter. This study used aqualitative research method with a descriptive analytical approach. To explain this phenomenon in detail,the researcher used the classification of Islamic communication ethics according to Jalaluddin Rakhmatdivided into six forms, including Qawlan Sadidan (correct words), Qawlan Baligha (effective and righton target), Qawlan Karima (noble words), Qawlan Ma’rufan (good or appropriate words), QawlanLayyina (gentle), and Qawlan Maisura (easy to accept). To find out the netizens’ motives of social actionon social media of Twitter, the researcher used Max Weber’s theory of social action because the process ofsocial action in society is closely related to the development of rationality. Considering the implementation ofIslamic communication ethics, the results showed that value-oriented rational action is based on the valuesthat the accounts’ owner obtains from religious teachings, affective rational action is based on feelings oremotions, traditional rational action is based on values derived from experience and tradition, andinstrumental rational action is based on the adoption of words used in the reality of people’s lives. Thisstudy contributes to the field of Islamic communication by demonstrating the relevance of Weber’s socialaction theory to the analysis of online discourse, offering a framework for evaluating ethical communicationin digital spaces.