Hydroxy quinoline amino compounds (I) and their enantiomers are new. Hydroxy quinoline amino compounds of formula (I) and their enantiomers are new. R 1, R 2H, 1-10C alkyl, halo group comprising F, Br, Cl or a group -O-R, one of R 1 and R 2 is phenyl compounds of formula (a) having asymmetric carbon； R : 1-10C alkyl, 4-8C cycloalkyl, 1-10C alcohol, 4-8C heterocycloalkyl which contains heteroatoms of N, O or S, 2-10C alkenyl or alkynyl, (hetero)aryl, alkylphenyl or 1-10C alkyl, or alkanoyl phenyl having 1-3 C atoms of alkonyl, phenyl optionally substituted with 1-2 halo atoms of F, Br, I or Cl or -CF 3, R-NO 2 (where R is 1-10C alkyl or 5-methylene-8-hydroxyquinole)； R 3-R 7H, 1-10C alkyl, 4-8C cycloalkyl, 2-10C alkenyl, 2-10C alkynyl, -CF 3, -O-R (where R is 5-methylene-8-hydroxyquinole)； X, Y 1H, 1-10C alkyl, aryl, -OH, Cl, Br, I, F, -CF 3, R-NH 2, -CN, R-NO 2, R-COOH or -COOR, where R is 1-10C alkyl, either in the case one of R 1 and R 2 is Y 1-N-Y 1 or Y 1 is a -(CH 2) n-, aryl optionally substituted with 1 or 2 atoms of halo comprising F, Br, Cl, or 1-10C alkyl, 4-8C heterocycloalkyl, and where Y 1 is 5-methylene-8-hydroxyquinole, the other atoms is H, or in the case one of R 1 and R 2 is -(CH 2) n-naphthalene, where the naphthalene is optionally substituted with 1-10C alkyl, 4-8C cycloalkyl, 2-10C alkenyl, 2-10C alkynyl, 1-10C alkanoyl, -CF 3 or -O-R, where R is 1-10C alkyl, ant the other is H, 5-methylene-8-hydroxyquinole or t-butyloxycarbonyl, or R 1 and R 2 form a 4-8C cyclic aliphatic ring optionally substituted with 1-6C alkyl or -O-R, where R is 1-10C alkyl, or aryl, possibly H, 1-6C alkyl optionally substituted with F, Br or Cl, or one of R 1 and R 2 form 5-6 membered cyclic polyamine or unsubstituted piperazine or which one of the carbon atom in the cycle is substituted with 1-6C alkyl and/or in which one of the N atom is not a part in the group -CH 2-NR 1R 2 or substituted by 5-methylene-8-hydroxyquinole, or R 1 and R 2 form a polyazamacrocycle (cyclam
