Usage in dyestuff industry: it is used to make sulphide dye, as raw material of cure lividity and cure blue In dye printing industry: it is used as dye agent in solving thion dye In tanning industry: it is used in hydrolytic decomposition to make raw hide depilated.

In paper industry: it is used as digest agent In textile industry: it is used to reduce nitrified objects and man-made fibre: used as mordant in dyeing cotton fabric

In medicine industry: it is used to make into febrifugal medicine such as（……It is also used to make into sodium thiosulfate, sodium hydrosulphide.)