The preservation time specified in the instruction manual of Panax ginseng powder is usually 2-3 years, depending on whether it is properly preserved. Storing Panax pseudoginseng powder usually requires a ventilated and cool place, which needs to be protected from moisture and insects to avoid mold and breeding of moths. If kept in a cool, dry and sealed condition, Panax ginseng powder can usually be kept for 2-3 years. If it is opened and not sealed with care, it may mildew quickly and grow insects in a humid environment. Panax ginseng has the effects of resolving blood stasis and stopping bleeding (removing blood stasis to stop bleeding), and activating blood to stabilize pain (moving blood to stop pain). It is used for treating all kinds of hemorrhagic conditions, bruises and other injuries that are caused by stasis (blood stasis blocking the meridians). Excessive intake of Panax notoginseng may cause nausea, frequent vomiting, epistaxis (nosebleed), bleeding gums, excessive menstruation, etc. Panax notoginseng tablets may cause allergic rashes. It is prohibited for pregnant women. If there is any related symptom, it is necessary to consult a doctor in time, do not self-medicate to avoid related adverse reactions.