佝偻病,为人体骨質中石灰分不足之症,由飲食和居住处不良而引起,病者多为三歲以下之小儿。患儿之骨,每呈软性与弯曲性,失却固有狀态,患在头部,則头頃頗門至二岁以上尚不能閉合,往往头部發汗,中医所謂“解顱”是也;患在胸廓骨部,則肋骨肥厚,胸骨隆起,中医所 Rickets, which is a deficiency of lime in human bones, is caused by poor diet and residence. Most of the patients are children under the age of three. The bones of children are soft and bent, and they lose their natural state. If they suffer from the head, they are still unable to close their heads and are often over 2 years old. They often sweat their heads. The so-called “solution of the skull” in Chinese medicine is also; Suffering from the thoracic bone, the ribs are hypertrophic and the sternum is raised.