The seventh Legislative Assembly Elections of Macao was held on 12 September 2021. One of the historic incidents was recorded when several campaign lists were disqualified from participating in the elections after the closure of accepting registrations from citizens for the elections. After the elections, there were record-breaking low turnout and high white votes and void votes. Although the Committee on Electoral Affairs of the Legislative Assembly analyzed that the main reason was that the weather was too hot and due to the burst out of the CoVid-19 epidemic, which affected voters' willingness to vote, whereas the explanations for the high blank votes and void vote rate were not fully provided. However, the general opinion in the lay people impressed that they were related to the disqualification of those candidates. In fact, voters' intention to vote can be explained in many ways. This article attempts to apply the concept of civic culture to analyze the phenomena of blank votes and low turnout rate in this election.