There are 19 types of comparative constructions in Huixian dialect, such as 'sheng(胜)+ A + X','B + A +zui(最)+ X','yi(一)+ Classifier + X+ si(似)+yi(一)+Classifier' and 'A + gen(跟)+ B+ yangsi(样似)+ X'. These comparative constructions can be divided into discrepancy comparison, superlative comparison, succession comparison and equality comparison, which are different from one another in syntactic constraint, semantic function and pragmatic value. As for origin, some are the native forms,and others ...