Pregnant women can take Yin Chen with indications. The contraindications of Yin Chen does not clearly state that it is contraindicated for pregnant women, so pregnant women can eat Yin Chen within the scope of the indications. It is a kind of traditional Chinese medicine, with the effect of clearing away heat and dampness, relieving bile and eliminating jaundice (dredging up the bile ducts and eliminating jaundice), Yin Chen can be used for the jaundice caused by dampness-heat and cold-dampness, and it has a therapeutic effect on the yellowing of urine and itching of eczema. Adverse effects of Yin Chen include nausea, vomiting and cardiac arrhythmia. Combination with digitalis drugs and chloramphenicol is prohibited. Although there is no clear contraindication of Yin Chen to pregnant women, the use of medication for pregnant women should be under the strict guidance of a professional doctor, and individuals should not use it blindly, so as not to cause adverse reactions to the individual and the fetus.