Chang's medical skills have become known far and wide, and doctors have come from the US, France, Japan, Korea, and mainland China, as well as from some of Taiwan's top hospitals, to learn from him. But there are some orthopedists in Taiwan who are less than thrilled with Chang's personality, which they consider to be self-promoting.
張國華的精湛醫術遠播海外，美、法、日、韓及北京、台中榮總、三總醫生都前來取經，但國內也有些骨科醫師私下對張國華的「膨風」個性，不以為然。