👉 Pilewort is a type of plant that grows in waterlogged soil. It has been used for centuries as a medicinal and culinary herb in China, Japan, and Korea. In Chinese medicine, it is often used to treat digestive disorders such as diarrhea, vomiting, and nausea. Pileworts are also commonly found in traditional herbal remedies for skin conditions like acne, psoriasis, and eczema.