Medicinal herbs that can be made into medicine with a slightly bitter taste and neutral nature. They are effective for clearing the liver, brightening the eyes, nourishing the heart, calming the mind, reducing inflammation, and benefiting the kidneys. After drying, they can be steeped in hot water to drink and are quite effective for those suffering from insomnia. The herbs were being sun-dried on bamboo trays in the Liu household courtyard.