Aromatherapy Functions in Chinese Medicine Clears Heat: viral disorders of the throat and lungs, fever, dyspepsia, colitis. Calms the Spirit; Fortifies the Po/Instinct: anxiety; nervousness and insecurity, for the clinging, possessive and jealous. Tonifies the Yin; Calms and Moistens: palpitations, restlessness, insomnia. Rectifies the Skin: dry skin, dermatitis, eczema, psoriasis, boils, shingles, fungal infections. Clears Damp Heat in the Urinary System: candidiasis, cystitis, urethritis, vaginitis.