The difference between cassia seed and Wang Jiangnan is different drug source, different main treatment.
Different sources of drugs: cassia seeds are the dried mature seeds of cassia or small cassia plants of the legume family Cassiaceae. Wang Jiangnan is the stem and leaves of the legume Wang Jiangnan.
Different treatments: cassia seeds are mainly used for the treatment of eye redness and swelling pain, shyness and tears (eyes afraid of light, often tears), dark eyes, headache, dizziness, intestinal dryness and constipation. Wangnan is mainly used for the treatment of cough and asthma, headache and eye redness, blood in urine (blood in urine with pain), constipation, canker sores, snake bites.
If there is any discomfort, it is recommended to consult a doctor. If medication is needed, it should be identified by a doctor and the treatment should be standardized according to the doctor’s prescription.