Yes, you need to blanch the Sophora japonica before drying it. When Sophora japonica is in bud, take it back, blanch it, put it in clear water, remove the green gas, and then dry it in the sun to make dumpling stuffing, dumpling stuffing and so on. Soak Sophora japonica in season, squeeze out excess water, and keep it in the refrigerator, so you can carry it with you.

However, although Sophora japonica is delicious, there are some taboos when eating it. Because Sophora japonica is sweet, diabetics had better not eat more. Powdered steamed Sophora japonica is not easy to digest, and people with poor digestive system, especially middle-aged and elderly people, should not eat too much. At the same time, people with allergies should also eat Sophora japonica carefully. Moreover, there is still a big difference between raw and cooked use, such as cooling blood to stop bleeding, frying, clearing liver and purging fire. Be sure to pay attention to cleanliness when eating raw.