Fishweed may have parasites when eaten raw, it needs to be cleaned, and it is not recommended for people with weak spleens and stomachs, etc. Fishweed, as an herbal and natural plant, is generally likely to have parasites. If it is not cleaned and eaten raw, it may have parasites. It is recommended to clean it before consuming fishy grass. If you are worried that there are still parasites, you can blanch fishy grass in boiling water. However, fishweed is cold and bitter, belonging to the lungs, large intestine, bladder meridian, so for people with weak spleen and stomach it is recommended to try not to consume fishweed, it will be easy to cause irritation to the stomach and intestines, causing abdominal distension, diarrhea and other symptoms. In addition, it is forbidden to consume fishweed when you are allergic to fishweed. The use of Fishwort should be under the guidance of a doctor.