Lin Haifeng claimed to be a master of natural therapy, but died unexpectedly in Lijiang, Yunnan at the age of 5 1.

Lin Haifeng advocates fasting and detoxification, which is also commonly known as "Pigu". In the regimen of fasting and detoxification advocated by him, he only drinks 8 cups of fruit juice squeezed from vegetables and fruits every day, and absolutely can't eat any other food.