This chapter will have a closer look at tea, sweets, and kaiseki, chadō elements that we take into our bodies. It will first examine different kinds of green powdered tea, matcha, and the sweets that are served at various tea gatherings. Kaiseki, a specific Japanese meal, is also served for the formal tea gathering. With practitioners’ voices, this chapter then proceeds to look at the meaning behind kaiseki and how it is prepared. It further shares how tea and Japanese food started to get attention overseas and are then revised in Japanese society. Considering a medical point of view, this chapter presents some future possibilities in terms of promoting matcha and Japanese cuisine, including kaiseki.