金元时期,有位名医叫张子和,他治病方法与别人不同,他针对一些没有实病的虚病患者采用了幽默逗笑疗法,使这些病人得以病愈。当时有位举人项关在老年时得子,夫妻俩对孩子爱如掌上明珠,不料孩子未曾活到一周岁,便患上噤口痢而丧了性命。项夫人黄氏失去了爱子,终日思虑,悲伤过度, Jin and Yuan Dynasties, a famous doctor called Zhang Zihe, and his treatment method is different from others, he did not have real disease for some patients with hypnosis laughter therapy, so that these patients can be recovered. At that time, there was a man who raised a banner in old age, and the couple loved the child as a pearl of the hand. Unexpectedly, if the child did not live to one year of age, he was suffering from a drool and died of his life. Mrs. Xiang Huang lost her son, thinking all day long, over-saddened,