Shanghuo (Chinese: 上火; pinyin: shàng huǒ; lit. 'elevated fire'), also known as Reqi (Chinese: 热气; pinyin: rè qì; Jyutping: jit⁶ hei³; lit. 'hot air') or Heatiness is a concept related to Traditional Chinese Medicine that involves an imbalance in internal energy that causes negative health effects on the body.