Due to the defects of "steel", let the life in the sunshine, temperature, often only 6 hours a day under 0 ℃ finns are difficult to accept such material, especially Mr Pai m the patients in the sanatorium. In 1932, Mr. Alva, aalto designed for the hospital this roll back of the chair made of whole Zhang Huamu multilayer composite board and chair, the framework of its open curve is considered to be fixed on the international style. Alvar aalto according to the physiological and psychological needs of patients not only designed for Paimio sanatorium chair, the entire nursing home interior design, provides the blueprint of his