According to the specific situation, it is determined that the drug is toxic in three parts, and improper consumption will cause damage to liver and kidney functions, which will lead to heavy metal deposition and malformation of pregnant women and fetuses. It is recommended that pregnant women use it under the guidance of doctors. For example, black-bone chicken soup is a very nourishing soup, which is suitable for pregnant women during pregnancy. However, black-bone chicken soup with angelica should be careful. It is prudent to eat angelica during pregnancy. Pregnant women can't drink Angelica, Astragalus and black-bone chicken soup, because Angelica strengthens uterine muscle contraction when the intrauterine pressure is high, and it is also a drug for promoting blood circulation and nourishing blood, which is easy to lead to abortion, so pregnant women should use Angelica with caution. Astragalus membranaceus has the function of "helping qi to strengthen bones and muscles, growing meat and enriching blood", which plays a synergistic role in nourishing and making the fetal flesh and blood grow too fast, which is easy to cause dystocia.