1. Know about legal procedures: When you know about local legal procedures, you can consult local legal professionals. They will explain to you the details of the whole litigation process, including what to do before the accident certificate and injury appraisal results come out.
2. Get professional legal advice: you can consult a lawyer who specializes in handling traffic accident cases. They will be able to assess the specific situation of your family and tell you whether it is necessary to formally file a lawsuit.
3. Keep all relevant documents: These documents may include hospital reports, accident scene photos, accident certificates, etc. These documents are very important for the defense of the case.
4. Negotiate with the other party: Before the accident identification and injury identification results come out, you can also try to negotiate with the other party to solve this matter. If possible, a settlement can be reached and legal proceedings can be avoided.
Generally speaking, please consult a professional lawyer and he will give you the best advice. If you decide to file a lawsuit, the lawyer will help you with all relevant legal affairs, including injury identification, case defense and so on.