Cow’s pith is usually used fresh as medicine, so there is no authoritative record of cow’s pith powder. Cow’s pith has the effect of tonifying the kidney and filling the marrow, moistening the lung, stopping bleeding and stopping leucorrhoea, and it can treat deficiency of essence and blood, deficiency and fatigue, thirst, etc. It can also treat vomiting blood, blood in the stool, and women’s metrorrhagia (excessive menstruation or dripping) and leucorrhoea and other diseases. Cow’s marrow is the bone marrow of buffalo or buffalo of the genus Bison, family Bovidae. Cow’s marrow is warm in nature, sweet in flavor, and belongs to kidney, heart and spleen meridians. For internal use, it can be decocted in soup or boiled in paste. If it is used for stopping bleeding, treating vomiting of blood, leakage of blood and bringing down of blood, it needs to be burnt and used as ash. At present, the adverse reactions of cow’s pith are not clear, and it is recommended to use it under the guidance of a doctor. It is not advisable to self-medicate to avoid delaying the condition.