Factors leading to medical malpractice include: ① human factors: such as inadequate hospital rules and regulations, unclear division of responsibilities; work mindset is not conscientious; do not operate according to operating procedures; poor personal skills, experience and ability. ② medical equipment factors: such as the existence of major equipment hazards and defects. ③ Medical drugs, equipment and other factors: such as poor quality of drugs, equipment quality does not meet the requirements, sterilization and disinfection is incomplete. ④Environmental factors: such as poor environmental hygiene conditions. ⑤ Time factors: such as holidays, commuting time.