Yang's energy ball is useless. According to relevant public information, Yang, the former son-in-law of Formosa Plastics King, has been a spiritual mentor in recent years. His retirement theory is the same as some propositions of "body and mind" spiritual groups in Taiwan Province Province since 1990s, and whether it has a positive impact on public psychology is still controversial. He is keen to discuss supernatural phenomena and UFOs, Chang Geng's energy ball and high value-added health products without patent protection and health license.