The process of preparing 1,2,4-triazole fungicide in front of the corresponding cage amine catalyst was introduced. 1. Characteristic 1: preparation process of 1,2,4-trichloroacetic fungicide (1),Their salt, their ester, their isomer, or their Dow, where because of R1,R2,R3 º can be independent hydrogen, nitrogen, nitrogen, amino, halogen, hydroxy, alkane, alkyl c833318321；； 8320 linear or dendrimer, halotar, halogen, cyclopentanediol, arilo not replaced or replaced by halogen or linear tar or dendrimer, not replaced or replaced by halogen, A. heteromorphic organisms not replaced or replaced by halogen, not replaced or replaced by halogen or c8332183318321； linear or secretory organisms not replaced or replaced by halogen, or arilalquilo not replaced or replaced by halogen, ariloxi not replaced or replaced by halogen, ariloxiario not replaced or replaced by halogen, ariloxiario not replaced or replaced by halogen； 1. Asphalt-c (r8309； - r8310； - r8311)；R8310,R831181 can be selected without the substitution or substitution of hydrogen, nitrogen, nitrogen, amine, halogen, hydrogen, alkane, alkyl c83216c8318321；； 8320 linear or branched substance, halo tar, halo oxygen, cyclopentyl by halogen or linear or ramified tar, arilo without halogen substitution or substitution, A. not replacing propylene with halogen； not replacing or replacing propylene with halogen or c8332183318321； not replacing or replacing linearity or branching with halogen； not replacing or replacing arilalquilo with halogen； not replacing or replacing ariloxi with halogen； Ariloxiario not replaced or replaced by halogen or tar；R830808 can be an independent group sh or hydrogen； its characteristic is that the process includes: making a formula compound (2) react in R1,R2,R 3 º has the same meaning as above, X represents halogen, methylene sulfuryl fluoride Xi or methylene phenyl sulfuryl fluoride Xi, or X and R2 combine with heteroatom to form heteromorphic ring； compound of formula (3) represents hydr
