This study uses the post-electoral survey from the "Perception of the Kaohsiung City Citizens towards the Issue of Vote-Buying in the Second Legislator Election". The result is summarized as follows: 1. During the period of the second legislator election in Kaohsiung City, vote-buying is quite common. Half of the correspondents say that someone had given him (her) money for vote-buying. Almost three fourths of the correspondents express tat his (her) relatives had received money for vote-buying. This experience made three fourths of the Kaohsiung city citizens feel that vote-buying was either "very serious" or "serious", only about 10% of the correspondents feel the issue was "not serious". 2. The KMT candidates occupied the majority of vote-buyers, while the DPP candidates and other candidates also somewhat involved with vote-buying. Because of the competition of vote-buying among the candidates, some people were even contacted by more than three different candidates, thus making a little "fortune" during the election. Yet, some people even did not know which candidates who gave them "money" or "presents". 3. Candidates (and their assistants) are likely to select "males, aged persons and middle-level educated persons" as the objects of vote-buying. But, this study finds out that "females, aged persons and low-level educated persons" would have better effect from vote-buying. Therefore, candidates' "vote-buying strategy" is contradictory with "vote-buying effect" which has formed the first paradox in the vote-buying phenomenon. 4. According to the analysis of this study, only 16% of vote-buying is successful. But, is should be noticed that these 16 votes of every 100 voters are not directly the effects of vote-buying. Some of the 16 votes may go to the specific candidate without vote-buying. In addition, the effect of vote-buying should not be judged from the positive side only. Because some people may vote for someone else if the specific candidate gives them money for vote-buying. 5. Therefore, although "vote-buying effect" is very limited, "vote-buying behavior" very common, which has formed the second paradox of vote-buying.