1. Is there a work-related injury identification? If the patient's syphilis was infected during work, he can apply for a work-related injury identification, and the work-related injury insurance will bear the medical expenses and compensation responsibilities.

2. Is the restaurant at fault? If the restaurant is at fault, such as failing to provide a safe working environment and necessary protective measures, it can be regarded as the employer's fault, and it needs to bear the corresponding liability for compensation.

3. Does the patient's family have the right to file a lawsuit? If the patient has died, the patient's family can file a lawsuit and ask the restaurant to bear the corresponding liability for compensation.