Four Substances Soup is composed of Angelica sinensis, Rhizoma Ligustici Chuanxiong, Radix Rehmanniae Praeparata, Radix Paeoniae Alba and other medicines, which has the effect of tonifying and nourishing blood (replenishing the blood), and it is suitable for patients with blood deficiency syndrome, but it is not suitable for those with heavy menstruation during menstruation, prevalence of dampness-heat, pregnant women, and those with allergic constitution. 1. Heavy menstruation: For excessive menstruation caused by blood heat, it is not suitable to take Four Substance Soup. The drugs in Four Substance Soup are sweet and warm in nature, which can easily promote heat and aggravate the condition, so it is not recommended to take Four Substance Soup. 2. Dampness and heat in the body: For patients with dampness and heat, it is not suitable to take Four Substance Soup, Four Substance Soup nourishes blood and nourishes blood, and the drug is nourishing and greasy, and it is easy to help the dampness and heat, so it will lead to aggravation of the condition after taking it. 3. Pregnant women: caution for pregnant women, chuanxiong tonic blood blood, for pregnant women to take, may have an impact on the fetus, it is recommended to use the drug under the guidance of a doctor, so as not to cause miscarriage. 4. Allergy: caution for allergy, in order to avoid diarrhea, abdominal pain, vomiting, skin rash and other adverse reactions, so it is not recommended to take Four Substances Tang. Four Substance Soup is a traditional Chinese medicine prescription, which needs to be used under the guidance of a Chinese medicine practitioner, and it is not recommended to take the medicine on your own, in order to avoid adverse reactions and aggravation of the condition.