The services of Kitcho including the menus and the 'shitsurai', by which fittings and furnishing goods are changed in accordance with the atmosphere and seasons under the concept of Ichigo Ichie (Treasure every encounter), are strongly affected by Kaiseki ryori (a simplified version of honzen ryori; dishes different from the Kaiseki ryori mentioned above, although the pronunciation is the same).
吉兆の料理は、献立や、建具や調度品などを一期一会その場の雰囲気や季節に応じて変える「室礼（しつらい）」に至るまで、懐石料理の影響を強く受けている。