1, arrowhead is a vegetable planted by vegetable farmers, similar to taro and lotus root. There are many plants in the south.

2, Shā rotto Katakuri is blindly Chinese medicine, which is basically wild. It is often dried in the south rural areas, and when there is a sore throat, some Shā rotto Katakuri powder is scraped in the mouth, even if it is fried and crushed, it is different. Herbs are made from plant extracts and mainly use their therapeutic value.