3-4kg of raw cassia seed for external use as a pillow is put into a cloth bag and made into a pillow. Cassia seed is slightly cold and slightly fragrant with grass. Sleeping with a pillow smells like sleeping in the green grass. Its hard seeds can also massage the head and neck points, so it has an auxiliary effect on headache, dizziness, insomnia, cerebral arteriosclerosis and cervical spondylosis caused by hyperactivity of liver yang.
There is no harm in drinking for angry people.