consists of four herbs: Flos Sophorae (the dried flower bud of Sophora japonica L.), Cacumen Platycladi (the dried branches and leaves of Platycladus orientalis (L.) Franco), Fructus Aurantii (the dried immature fruit of Citrus aurantium L.) and Herba Schizonepetae (the dried overground parts of Schizonepeta tenuifolia Briq.)
