This paper first annotation study and explanation on one Tangut prescription in Heishuicheng Unearthed.That prescription should be named“Tian Xiong San”,it is the treatment of wind vertigo and headache dizzy,the group as the“Tianxiong,Asarum,Cornus,Yam,Radix Saposhnikoviae,Largehead Atractylodes Rhizome,Tuckahoe,Milkwort,Rhizome Chuanxiong,Ginseng,inula flower”,this prescription should be had been lost some Chinese medical books.