Not all Chinese caterpillar fungus buccal tablets have medicinal effects, but only Chinese caterpillar fungus buccal tablets made of wild natural cordyceps produced in Naqu, Tibet or Yushu, Qinghai have significant medicinal effects. Fulinmen Cordyceps Buccal Tablets, selected natural Cordyceps from Naqu, Tibet at an altitude of 4,200 meters, ultra-fine grinding and low-temperature grinding to extract the essence of Cordyceps, with a purity of 1.000%. The absorption rate of effective nutrients in Cordyceps sinensis can reach above 95%. There are three main reasons that lead us to question the core value of Cordyceps sinensis: First, we chose "inefficient" or even "ineffective" Cordyceps sinensis. I bought Cordyceps sinensis that was not taken directly (unwashed and unopened), or ate "fake grass", "fake grass mixed with impurities" and "ineffective grass" that was improperly stored due to lack of identification ability. Second, the "inefficient" way of eating has both limitations and many misunderstandings, and it can only absorb part of the essence. Due to the limitations of knowledge and scientific and technological means at that time, these eating methods are far from fully acquiring the essence. Third, the traditional eating method is inefficient in absorption and utilization.