Pregnant women can drink dandelion water, but they should pay attention to the right amount when drinking. Dandelion belongs to a kind of traditional Chinese medicine, taste bitter, sweet, cold, attributed to the liver, stomach meridian. It has the effect of clearing away heat and removing toxins, eliminating swelling and dispersing knots, diuretic and diaphoretic (to improve the problem of dribbling in urine, and the problem of insufficient and incomprehensible amount of urine). Dandelion can be used for furuncle, breast carbuncle, scrofula (mainly refers to cervical lymph node tuberculosis), eye redness, sore throat, lung carbuncle, intestinal carbuncle (carbuncle that occurs in the bowels, manifested by fever, pain in the right abdomen, and palpable lumps), damp-heat jaundice, feverish gonorrhea (burning and stinging pain in the urine, accompanied by urinary frequency, urgency, and discomfort of pulling on the abdomen) and astringent pain. It should be noted that dandelion overdose can lead to slow diarrhea, its adverse effects and contraindications are not clear. A single drug in water is limited in efficacy, can not replace the Chinese medicine prescription treatment, if the pregnant woman is not feeling well, please consult a doctor in time, under the guidance of a professional Chinese medicine practitioner to identify the medication, not self-medication.