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We report the detection of heavy reddening and the He I* $\lambda10830$absorption lines at the AGNs' redshift in three Narrow-line Seyfert 1 galaxies:SDSS J091848.61+211717.0, SDSS J111354.66+124439.0, and SDSSJ122749.13+321458.9. They exhibit very red optical to near-infrared colors,narrow Balmer/Paschen broad emission lines and He I* $\lambda10830$ absorptionlines. The ultraviolet-optical-infrared nucleus continua are reddened by theSMC extinction law of $E(B-V)\sim 0.74$, 1.17, and 1.24 mag for three objects,which are highly consistent with the values obtained from the broad-line Balmerdecrements, but larger than those of narrow emission lines. The reddeninganalysis suggests the extinction dust simultaneously obscure the accretiondisk, the broad emission line region, and the hot dust from the inner edge ofthe torus. It is possible that the dust obscuring the AGN structures are thedusty torus itself. Furthermore, the Cloudy analysis of the He I*$\lambda10830$ absorption lines propose the distance of the absorptionmaterials to be the extend scale of the torus. That greatly increasesprobabilities of the obscure and absorption materials being the dusty torus.

Reddening and He I* $\lambda10830$ Absorption Lines in Three Narrow-line Seyfert 1 Galaxies