The tea powder composition includes one or more of: solid particle A having a particle diameter larger than 4 mm and equal to or less than 5.6 mm and a thickness of 4 mm or less; solid particle B having a particle diameter larger than 2.8 mm and equal to or less than 4 mm and a thickness of 2.8 mm or less; solid particle C having a particle diameter larger than 2 mm and equal to or less than 2.8 mm and a thickness of 2 mm or less; solid particle D having a particle diameter larger than 1.4 mm and equal to or less than 2 mm and a thickness of 1.4 mm or less; and solid particle E having a particle diameter larger than 1 mm and equal to or less than 1.4 mm and a thickness of 1 mm or less.