Legal basis: Article 38 of the Lawyers Law of People's Republic of China (PRC), lawyers should keep state secrets and business secrets they know in their practice activities, and may not disclose the privacy of their clients. Lawyers should keep confidential the relevant information and materials that their clients and others are unwilling to disclose in their practice activities. However, criminal facts and information that endanger national security, public safety and seriously endanger the personal safety of others are being prepared or implemented by the client or others.