First, report the case to the public security organ and wait for the result;
Second, if a crime is constituted after the conclusion of a case by a public security organ, it may file a civil action incidental to criminal proceedings when the procuratorial organ examines and prosecutes.
Third, if it doesn't constitute a crime, the death caused by the operation of the hospital without the consent of the patient's family also constitutes a medical tort, and a civil lawsuit can be directly filed.