Qi Medical Drug Rong Xu Which Come of the lanosterol Huo of Lieization Learn formulas (I) control the new application of disease caused by Treatment Mian Yi Shi Tone Xia this Hair Ming Department You Off mono- Seed use tools:R1 As H or CH3 in what formulaR2 As OCOCH3 ,=O or OHR3 As H or OHR4 As-C (=CH2)-C (CH3) 2Ra, wherein Ra As H or OH, or-CH=C (CH3)-Rb, wherein Rb As CH3 or CH2OHR5 As H or OHAnd R6 As CH3 or CH2OH.本發明係有關一種使用具下列化學式(I)的羊毛固醇或其醫藥容許鹽來治療免疫失調所引起的疾病的新用途:於式中R1為H或CH3;R2為OCOCH3,=O或OH;R3為H或OH;R4為-C(=CH2)-C(CH3)2Ra,其中Ra為H或OH,或-CH=C(CH3)-Rb,其中Rb為CH3或CH2OH;R5為H或OH;及R6為CH3或CH2OH。