Aromatherapy Functions in Chinese Medicine Calms the Spirit; Fortifies the Po/Instinct: anxiety, mood changes, depression, indecision, times of personal challenges or change, especially external stress and pressure. Tonifies Qi; Rectifies Qi: muscular stiffness and spasm, headache, migraine, hair loss. Tonifies and Boosts Lung Qi; Opens the Chest: fatigue, shallow breathing, cough, sore throat, bronchitis, asthma. Fortifies the Stomach and Spleen: abdominal distention, flatulence, irritable bowel. Regulates the Menses; Promotes Labor: menstrual pain, menopausal disturbance, difficult labor.