AbstractThe diversity of cultures and traditions in Indonesia gives rise to religious rituals (Islam) that synergize with Shari'a. It is very ironic if these deeds carried out by Muslims in Indonesia are accused as superstitious, bid'ah, and khurafat acts, since they are not in accordance with the Qur'an and Sunnah. This condition has caused a reaction from one of traditionalists namely Hasyim Asy'ari who was very concerned in preserving local traditions which were considered has Shari'a touch. This study uses descriptive analysis methods and is based on the idea that some rituals of Indonesian Muslims cannot be separated from culture and tradition. This is considered as something new or bid'ah. Hasyim Asy'ari argues that not all new things...