From 2007 to 2021, nearly 2,000 papers on the medical effects of hydrogen were published, of which Chinese scientists accounting for nearly 60% and Japanese scientists for about 30%.

China is the world leader in research into the health benefits of hydrogen inhalation. In 2020, the Chinese government approved the use of hydrogen inhalation as a treatment for COVID-19 with surprising results.

Chinese hydrogen inhaler production level is also in a leading position in the world.