Introduction 1 The Basic Theory of TCM, Aromatherapy, ANS and HRV 1.1 The Basic Theory of Traditional Chinese Medicine 1.2 Aromatherapy 1.3 Two Main Systems of Aroma Inhaling 1.4 Heart Rate Variability 2 Approaches, Objectives and Hypotheses 2.1 Approaches 2.2 Objectives 2.3 Hypotheses 3 General Materials and Methods 3.1 Questionnaires 3.2 Heart Rate Variability Analysis: Instruments and Procedures 3.3 Aroma Instruments and Procedures 4 Study for Determining Whether Aroma Reduces Anxiety and Improves Attention 4.1 Objective 4.2 Sample 4.3 Instruments 4.4 Procedure 4.5 Results 4.6 Discussion 4.7 Conclusion …… 5 Aroma Reduces Anxiety and Improves Attention Control in University Students 6 Study for Determining Whether Aroma Improves Work Performance and Reduces Workplace Stress 7 Aroma Improves Work Performance and Reduces Workplace Stress 8 Conclusion References Appendixes: Original Questionnaires Used in the Study Acknowledgement