“Fishweed three people can not eat” is not correct, should be cold and Yin sores avoid serving fishweed. Fishweed is cold, pungent, the main into the lung meridian, with heat detoxification (clear the body of heat and toxicity), heat dissipation and carbuncle effect, applicable to carbuncle spitting pus and blood, lung heat cough. This product is also used in the treatment of feverish sores and swellings, and can be used fresh alone or with forsythia, chrysanthemum and dandelion. It is also diuretic and diaphoretic (improves the problem of dribbling in the urine, and the problem of small amount of urine not being passed), and is suitable for damp-heat gonorrhea (increased frequency of urine, dribbling and astringent pain) and damp-heat diarrhea (diarrhea caused by feeling damp-heat evils). The adverse effects of Fishwort are not clear, and it is contraindicated for people with deficiency cold and yin sores. If you need to use the drug, you should first consult with a professional doctor and use it under the doctor’s guidance, do not blindly self-medication, so as not to cause adverse reactions.