The afternoon of august 3,2013,the LeiSheng director held legal lecture shuold the Lanzhou Petrochemical invited.The director interpreted the medical damage body and form,doctrine of liability fixation,the hospital shuold fulfill the obiligation in the medical behavior.then,through the case of way,emphasised on staff prudent work habits to avoid the importance of disputes.and put forward the legal suggestions feasible to prevent the disputes of medical staff.The lecture enhance the safety awareness of the medical staff,to strengthen the communication between doctors and patients,and rational and effective disputes has guiding significance.