Modern science has proved that this plague, in fact, is malaria, that is, the proverbial "pendulum". Xishuangbanna is located in the Tropic of Cancer, tropical and subtropical areas, spring and fall, because the sun after the rain, the dense forest will emit a kind of withered leaves fermentation gas, commonly known as "miasma", therefore, the ancient history of Yunnan, also known as "miasma of the district". This miasma, very easy to breed a mosquito called "pendulum mosquito" mosquitoes, once it bites the blood of patients suffering from malaria, if then go to bite a healthy person, will be infected with this germs to the normal people, in the past lack of medicine in the border ethnic areas, this plague Once spread, the scene is miserable.
In 1300, the Yuan Dynasty sent general Liu Shen rate 60,000 troops to Xishuangbanna, due to the plague of malaria, the soldiers have not yet war, has been ten deaths seven or eight. 1457, the Ming Dynasty, the army into Xishuangbanna, encountered the miasma, the death of which countless. 17 calendar year, stationed outside the JiuLong River in the Qing Dynasty, "miasma deaths are uncountable, the official MouFuLing deaths are also more than half, the horse and more miasma deaths." In the early years of the Republic of China, the then Sipu along the border of the General Administration Ke Shuxun also in miasma and died, he wrote a book before his life: "Sipu along the border of the twelve Banna to say that the extreme side of the smoke and miasma, non-office can be, it is difficult to live in." People's minds were shaken, so the sick masses began to come to the door, the doctor was known as 'life-saving Bodhisattva'. He recalled, "Jinghong Man understanding Zhai, there is an old man malaria complication pneumonia, high fever at the language, the situation is scary, the old companion is scared, thought there is a ghost in the home and fled to live outside the cottage, the village people are also afraid of 'bumping into ghosts', in broad daylight are far away from the patient's house. Medical team female member Nie Guangsu 6 days and 6 nights adhere to the gun to save, the old man turned to safety, the old partner rushed back, must receive Nie Guangsu for goddaughter, and gave her a nice Dai name, called Yuguang." '
Spring returns to the earth, the party's sun shines on the beautiful Xishuangbanna. 1953, with the establishment of a well-equipped autonomous state hospital, ending the history of not having a hospital here. By 1962. Malaria, the tropical plague that had ravaged the Dai people for countless centuries, had been completely controlled. Now, in Xishuangbanna, the word "malaria" can only be found in history books. The story of the "pipa ghost" has also been silenced in the deepest layers of history with the passage of time.