Fishweed water, that is, fishweed boiled water or bubble water, pregnant women can follow the doctor’s advice to drink fishweed water in moderation, but fishweed cold, with heat detoxification (clearing the body of heat and toxicity of the evil) and other efficacy, cold and yin ulcers and cold evidence of contraindications. Pharmacopoeia did not specify the contraindications of fishweed crowd, and fishweed non-toxic, fishweed boiled or soaked in water, pregnant women can take, but need to be under the guidance of a doctor to use the drug. Fishwort has the efficacy of eliminating carbuncle and draining pus (eliminating carbuncle and draining pus), clearing heat and removing toxins, diuretic and diaphoretic (improving the problem of dribbling in urine and the problem of small and incomprehensible amount of urine), and it can be used to treat carbuncle and spitting pus, coughing of lung heat, heat and poisonous sores and carbuncles (sores and carbuncles appearing on the surface of the skin because of the overabundance of heat and toxins in the body), and damp-heat gonorrhea (urinary frequency, urgency, painful urination) and other medical conditions. However, the effective dosage of the infusion is limited to achieve the therapeutic effect, and it is usually decocted and taken internally. Pregnant women using drugs to treat diseases, should be consulted after the doctor’s guidance under the guidance of standardized treatment, so as not to affect themselves and the fetus.