Phra Thinang Isara Winitchai or Isara Winitchai Throne Hall in Bangkok National Museum was the old royal palace hall of Bowormstharn Monkol Royal Palace or Wangna,the royal palace for or the viceroy came to release governors or state guest reception which came out in ceremonial uniform as the great Society. Including those used for ceremonial and religious practices such as royal charity as glorious coronation, the viceroy coronation, rite of ceremonial preaching Mahachat Buddhist Lent, the ceremonial of Songkran festival and as enshrined the bodies of viceroys and King Pinklao’s body to perform royal charity like Maha Prasat Palace.