Activating blood circulation and activating menstruation, dissipating blood stasis and relieving pain. Safflower is the dried flower of the compositae plant safflower. It has a pungent taste, warm nature, and belongs to the heart and liver meridians. It has the effects of promoting blood circulation, removing blood stasis and alleviating pain. It can be used for blood stasis diseases such as amenorrhea, dysmenorrhea, lochia, accumulation of mass, chest stuffiness and heartache, blood stasis and abdominal pain, and falling injury. As the safflower enters the heart meridian, Chinese medicine believes that the heart governs the blood vessels, so the systemic vascular stasis diseases can be treated. Traditional Chinese medicine also believes that women are blood oriented, so women's menstrual diseases with poor blood flow and congestion can also be treated, and stillbirth can also be given. The liver is in charge of storing blood, and its function is to dredge the qi stagnation and blood stasis diseases of the liver meridian can also be treated with safflower, such as chest and flank pain, abdominal pain, and congestion convulsions.