The utility model discloses a scattering type conflagration spotlight ware for the smoke detector, including spotlight ware shell, the internal reflection face of spotlight ware shell is compound parabolic type plane of reflection, and both ends are equipped with light entry and light export respectively around spotlight ware shell, and the light entry is offered in the side of spotlight ware shell and crossing with terminal surface light entry including terminal surface light entry and side light entry, side light entry. The utility model discloses still proposed a scattering type conflagration smoke detector, through adopt above -mentioned scattering type conflagration for the smoke detector spotlight ware collect the scattered ray of smog granule in the optical detection chamber. The utility model discloses in, set up side light entry on the spotlight ware, increased the area of light entry, increased the receiving range to the scattered ray, improved the collection ability of spotlight ware to the scattered ray to conflagration smoke detector's detection sensitivity and detection accuracy have been improved.