After the tobacco was imported to China in the Ming Dynasty,first was valued and accepted by its medical value.People have much understanding and use to the medical value of tobacco’s preventing disease and treating on illness such as warding off cold,immunity,disappear the phlegm,disintoxicating in the Ming and Qing Dynasties.Snuff has value of clearing vision,purifing the mind,warding off the immunity and often used to prevent disease and to treat on illness.In addition,The people also use the tobacco to kill the insect,the fish and fertile field in the Ming and Qing Dynasties.
