During his life, bisides collecting his own paintings, Affandi also collected the artwork of the other artists including Basuki Abdullah, S. Sujoyono, Renda, Popo Iskandar, Barli, Wahdi, Bagong Kusudiarjo, etc.

Affandi’s paintings collection which are stored in the Affandi Museum currently around 300 pieces, they are periodically and alternately exhibited in the gallery. In the first gallery has presented the paintings of Affandi from the beginning to end of his lifetime. The paintings consists of sketches on paper, watercolor paintings, pastels, and oil paintings on canvas.