The invention discloses a method for interpreting a trend of a K-line structure diagram by utilizing a pearl colour-ribbon diagram, which comprises the following steps of: according to an average cost principle of moving averages and an excellent multi-short distribution mode among the moving averages and by taking a Fibonacci coefficient as a preset parameter, combining the moving averages according to different series and conditions, in the original K-line structure diagram; utilizing vibrant colours and sharp contrast to design short-term, mid-term and long-term elements of all shapes and colours; and synthesizing the elements to reveal the pearl colour-ribbon diagram serving as a basis for interpretation of the trend.