[The significant of practical guideline in social context].

After drawing clinical practice guideline, we are going to face the significant of practice guideline in social context, both negative aspect and positive aspect. Negative aspect is the worry about misuse concerning medical malpractice lawsuits in courtroom. By analyzing the resent 3 Supreme Court decisions, I explain that practice guideline is the only one of recourses to determine medical negligence. Positive aspect is that practical guidelines would be the one of tools, which improves informed consent between medical practitioners and patients under the some conditions. Proper using practice guideline could reduce the conflict on informed consent.