What is "natural therapy"?

His famous sayings "Believe in nature" and "Believe in the healing power of nature" expressed the "natural therapy" he advocated. He advocates not taking medicine easily, but trying to make the body recover itself. In order to make the body recover on its own, he thinks it is very important to adjust the patient's diet and absorb rich nutrition. Therefore, he refuted the absurd practice of some quacks starving patients.