She wore ternos as well as María Claras for formal occasions or state functions, but preferred to wear the patadyóng kimona for simplicity and ease of movement.

She favored a handful of Filipino couturiers, including Pitoy Moreno, who adhered to her preferred style of simple but elegant lines.

Among Eva's projects as First Lady was the promotion of a Philippine-made and durable textile called the “Pag-asa cloth”, with an emphasis on its affordable price.

Eva Macapagal's training as a physician influenced her to promote cleanliness and neatness in the rooms and appointments of the Malacañang Palace.

She also discovered handsome pieces of furniture and decorations stacked in storerooms, offices and garages in the Palace complex, which she salvaged and refurbished.