Application: Insomnia. Poor memory. Palpitation. Cardiac pain. Hysteria. Calm the mind and heart. Remove obstruction from the heart meridian. Neurasthenia, poor memory and insomnia – combination with Fengchi (GB20) and Baihui (GV20). Angina pectoris – combination with Neiguan (PC06) and Xinshu (BL15).