Because the lion was attracted by the cry of the little rabbit and heard the sound of the violin at the same time. According to the inquiry on Tencent Video APP, in the cartoon "Pear Violin", the reason why the lion did not catch the little rabbit was because the lion was attracted by the cry of the little rabbit and heard the sound of the violin at the same time. The lion shouted to the little rabbit: "Hey, don't run away, I'm not going to catch you anymore, I'm going to listen to music.". This behavior reflects the lion's kindness and love of music.