What legal laws, frameworks, and principles apply to professions in the Swiss healthcare system? What legal principles should nursing and health professionals be aware of and adhere to in their daily work with patients? The compact legal handbook for health professionals in Switzerland addresses these questions. Experienced lawyer Christian Peter explains what law is and who is authorized to act with what competence regarding patients. He outlines the labor law foundations for the healthcare sector, explains how information, delegation, informed consent, and participation are regulated in a treatment contract, and specifies the rights and obligations of patients. Additionally, he clarifies the legal considerations regarding professional secrecy, data protection, and confidentiality, describes treatment errors and their legal consequences, and outlines the framework of medicinal law.