This paper describes a new species of the family Hynobiidae from Hunan, China. The type specimen is deposited in the College of life sciences, Hunan Normal University.Hynobius guabangshanensis Shen sp. nov. (Fig. 1)Holotype HNUL 02112404. An adult male, total length 146.3 mm. Type locality:Guabang Shan Tree Farm (26º37′8″N,111º56′1″E), Qiyang County, Hunan Province, China. Altitude 720 m, November 12, 2002, Collected by JIANG Tian-Min. Paratype 8♂♂ HNUL 02112201-02112205，02112401，02112402，02112403，the locality, altitude and collector are diffo of holotype. Egg sacs are collected by SHEN YH, DENG XJ,WANG B on November 24, 2002.Diagnosis The new species has many traits similar to Hynobius amjiensi, such as large size, 13 costal grooves, long legs, and tips of fingers and toes mostly meet when adpressed; their metacarpal and metatarsal tubercles are distinguished (Fig.5) etc. However, it differs in the following characters: 1) size smaller than H, amjiensis, the total length of adult male is 139.3 (125.4–151) mm；2) vomerine teeth thinner and closely range together, the outside twigs with 9–11 teeth, inside twigs with 25–27 teeth, the latter terminal connected with each other (Fig.3)；3) tail length shorter, the rate to snout-body length 70.4%；4) egg sac not longer than 200 mm，and curve-shaped (Fig.4) [Acta Zoologica Sinica 50 (2): 209-215, 2004].