Hadith  is  one  of  the  two  sources  of  Islam,  both  are  revelation  from Allah  Almighty  can  not  be  separated,  so  that  the  scholars  since  the  time of  the  companions  of  the  Prophet  to  the  generations  after  giving  great attention  to  them,  they  collect  the  hadith  of  the  Prophet  either  in  the  form of writing  and memorization or  teach it  to later generations. Collection  of  hadiths  are  then  collected  into  books  of  hadith  with  a variety  of  shades,  such  as  Musnad  books,  jawami',  Sunan,  mukhtalif  hadith,  ajza'  ,  Mustadrak,  mu’jam,  mustakhraj,  al-jam'u  baina  alshahihain,  al-maudlu'at,  al-ahkam,  gharib  al-hadith,  al-targhib  wa  altarhib, athraf, takhrij, zawaid and others. This  paper  discusses  the  book  of  Riyadh  al-Saliheen  which  is  one hadith  books  are  well  known  in  the  Islamic  world.  The  author  will discuss  it  into  2  parts.  First:  a  discussion  of  hadith  book  style  category  of Riyadh  al-Saliheen.  Second,  the  discussion  time  appeared  shades  hadith books of  Riyadh al-Saliheen . This  paper  discusses  some  of  the  issues  related  to  the  typology  and the  codification  of  hadith  and  scope  of  Riyadh  al-Saliheen  book.  The authors  claimed  that  the  book  of  Riyadh  al-Saliheen  is  one  of  the  books of  hadith  al-targhib  wa  al-tarhib  the  best  ,  and  the  emergence  of  this hadith  book  style  since  the  second  century  hijriyah  as  thematic  work, then the  peak  is in the sixth century to the  ninth century.