This invention discloses a cooking pot for both steaming and boiling, which including a deep pot body forming a first holding space therein, a chimney container which has an end thereof disposed in the first holding space of pot body and another end thereof having a opening and a second holding space therein, and a steam container which is placed on the opening of the chimney container and facing the second holding space. Once the pot body is heated, water in the second holding space of the chimney container boils and produces steam air to cook food in the steam container.