Blasphemy in the context of interpretation of the constitution has been elaborated by the Constitutional Court (MK) in Decision Number 140/PUU-VII/2009 The Prevention of Blasphemy Law does not specify restrictions on religious freedom, but restrictions on issuing feelings or committing acts of hostility, abuse or desecration against a religion as well as restrictions on interpretation or activities that deviate from the principles of the teachings of the religion adopted in Indonesia. These restrictions can only be done by Law with the sole purpose of guaranteeing recognition and respect for the freedom of others and to fulfill just demands in accordance with moral considerations, religious values, security and public order in a democratic society. [vide Article 28J paragraph (2) of the 1945 Constitution]. This paper will analyze aspects of constitutionality of blasphemy and criminal lia