取待炮制品，置容器内，加适量水浸泡后，取出，在适宜的湿度和温度下使其发芽至规定程度，晒干或低温干燥。注意避免带入油腻，以防烂芽。一般芽长不超过1cm。根据中华人民共和国药典2020版四部0213炮制通则。
Take the prepared product and place it in a container, add an appropriate amount of water to soak it, then remove it. Allow it to germinate to a specified degree under suitable humidity and temperature, then dry it in the sun or at low temperature. Be careful to avoid introducing grease to prevent the sprouts from rotting. Generally, the sprouts should not exceed 1cm in length. This is in accordance with the general rules for preparation in the 2020 edition of the Pharmacopoeia of the People's Republic of China, part 0213.