People First Party chairman James Soong suggested that a summit meeting with "Chairman Chen" would imply a rejection on the part of the PFP of the constitutional principle of "one China." He said that to attend a summit of party leaders was not simply a choice for an individual political party, but had wider implications.
宋楚瑜則認為，如果與「陳主席」接觸就必須放棄憲法規定的「一中」原則，去不去政黨高峰會就不是個別政黨的問題，因此親民黨絕不會輕易跨出這一步。