Sun candle is a kind of K-line combination. The sun stands for the red rising, and the candle stands for the K line. Yang candle is the red rising K-line, especially when there is a continuous rising K-line combination, such as Sanyang Kaitai and Silianyang. Dayang candle, with a long, short or insufficient candle body, has been rising since the opening of the low price close to the whole day, and the closing price is close to or the highest in the whole day, indicating that the market is improving.