It is mainly used for headache and chest pain caused by internal obstruction of blood stasis, or symptoms such as insomnia and dreaminess, palpitation, impatience and anger. It can be used clinically to treat neuropathic headache, as well as cerebral arteriosclerotic headache or trigeminal neuralgia. This drug can also be used for gynecological diseases, mainly for patients with irregular menstruation, dysmenorrhea, breast enlargement, that is, patients with indications of blood stasis, such as early or delayed menstruation, as well as premenstrual breast swelling and pain, as well as lumps and pain, dark menstruation and blood clots. It can also be used to treat stubborn insomnia, or intercostal neuralgia, mainly for those with dark tongue, it will be more effective, also avoid spicy food during taking the medicine, you can take it orally with brown sugar water, the effect will be better.