Coronal anteversion is a forced position, which is characterized by straightening of the neck and dorsal muscles, head tilting backward, anterior convexity of the chest and abdomen, dorsal hyperextension, and an arched trunk, commonly seen in the course of tetanus and pediatric meningitis, epidemic meningomyelitis, ergotism, neonatal nuclear jaundice, and convulsions. The occurrence of coracoacusis is related to the loss of control of abnormal excitation in the brain. Chinese medicine has also studied the causes of keratoconus, which are divided into: cold-damp obstruction type, Yangming heat incandescence type, heat disturbing the Ying and Blood type, deficiency wind internal movement type, and Jin Chuang wind poison type. According to the different types, different herbal treatments have certain effects.