A dead student in Suqian Yellow River Primary School, Zhihu.

According to official website's inquiry, a little girl in grade four of Suqian Huanghe Primary School left because she was accidentally injured and didn't get timely treatment.

Severe craniocerebral injury may lead to the symptoms of cerebral hemorrhage, which affects the blood vessels and nerve tissues of the brain to some extent. If treatment measures are not taken in time, it may also cause various clinical symptoms and complications. At the same time, brain trauma may also cause skull fracture, accompanied by severe pain, which seriously threatens the life of patients.