Panax notoginseng has the effect of dispersing blood stasis and stopping bleeding (removing blood stasis and stopping bleeding), and should be used in accordance with the evidence, if the disease is caused by blood stasis, generally after taking Panax notoginseng, it will not cause prolongation of menstrual cycle, and the specific use of medication, please follow the doctor’s instructions. Panax pseudoginseng is sweet and slightly bitter in taste, and enters the liver and stomach meridians. It has the efficacy of dispersing blood stasis and stopping bleeding, eliminating swelling and pain, and is mainly used in treating hemoptysis, vomiting blood, epistaxis, blood in stools and faeces, leakage of menstruation (excessive menstruation or incessant dripping), bleeding from traumatic injuries, stabbing pain in the chest and abdomen, and pain and swelling in falling and thrashing. Use with caution in pregnant women. Prolonged menstrual cycle can be caused by various reasons, such as deficiency of spleen and kidney qi, blood stasis, deficiency of yin and blood heat, and accumulation of dampness-heat, etc., and the medicine should be used according to the symptoms. Panax pseudoginseng can disperse blood stasis and stop bleeding, and is suitable for diseases caused by blood stasis, and can be used as an adjunctive treatment, which will not cause prolonged menstrual cycle; Panax pseudoginseng is warm in nature, and is not suitable for diseases caused by deficiency of yin and blood heat, or accumulation of dampness-heat, which may cause prolonged menstrual cycle if the degree of disease is serious. It is not recommended to take Panax ginseng powder blindly, as excessive intake may cause adverse reactions such as nausea and frequent vomiting. In addition, the efficacy of a single medicine is limited and only plays an auxiliary role, not a substitute for the therapeutic effect of multiple medicines used in combination. Any medication should not be taken blindly. If you are in discomfort and need medication, please go to the hospital and use it under the guidance of a doctor.