The present invention is related to a novel use of a lanostane having the following formula (I) or a pharmaceutically acceptable salt thereof in treating a disease induced from immune disorder:wherein R1 is either H or CH3 R2 is OCOCH3, =O or OH R3 is H or OH R4 is -C(=CH2)-C(CH3)2Ra, in which Ra is H or OH, or -CH=C(CH3)-Rb, in which Rb is CH3 or CH2OH R5 is H or OH and R6 is CH3 or CH2OH.