The European social democracy is rooted in its particular geographical nation and the country's historical practice activities, relying on its specific survival environment. The concept of political ecology can be analyzed from academic context and daily life context. Viewed from the historical dimension,the democracy concept of European social democracy has different real content and specific performance under different impact of ecological politics in different periods such as early period, development period, and crisis period. Viewed from realistic logic horizon, the development of European social democracy shows an anti-ecological trend such as the alienation of tool democracy and one-sided pursuit of purpose democracy; prevalence of spontaneous democracy and retardation of conscious democracy; perfection of procedural democracy and ignorance of undemocratic reality in nature.