The practice of the Sunnah Prophet. The practice of the Sunnah Prophet. The practice of the Sunnah Prophet. In this application there is a set of information about the Sunnah. Besides sincere, in worship to Allah SWT, we are commanded to berittiba '(follow) the Sunnah (teachings) of the Prophet. Applications Sunnah contain different sets of sunnah performed by the great prophet Muhammad SAW. We as the people, it is fitting to make him as his role model and therefore it is our obligation to follow everything based on what was done by him. What is meant by sunnah of the Prophet. are his words, his actions and decisions. Overall it is a second source after the Quran for Islamic law, aqidah-sound belief, syari'atnya, and ways of worship. Sunnah also given the interpretation and explanation of the contents of the Qur'an and to determine what is lawful and what is unlawful as long as there are no texts in the Qur'an. Because of its function sunnah of the Prophet. so important as a source of Islamic law, then by the scholars dijadikanlah it as a subject and material depth discussion. For that purpose it formed a group of scholars who specializes in the science of hadith, collect it than the companions of the Prophet who has received it directly and from the tabi'ien who received the hadiths it first hand. Unfortunate that the efforts of the scholars gather sunnah of the Prophet. is the individual businesses, so no-one than they though had to squeeze the sweat and sacrifice time, effort and energy to reach the peak of the expected ,. Even though there may diungkiri that what they've collected and passed on to us in the form of a set of hadith and sunnah of the Prophet. is really a great treasury that is difficult to obtain peerless.