Ever since he was in primary school, Li has admired Black Jack's omnipotence at rooting out diseases. While studying at China Medical College, he decided that he wanted to be a surgeon. Many of Li's classmates shared his interest in surgery.
李坤樺從小學時代就對黑傑克無所不能、刀到病除的醫術非常崇拜，就讀中國醫藥學院時便立志將來要走外科。