The main drug composition of Yuanhu Pain Relief Drops is Yanhuosuo and Angelica dahurica, of which Yanhuosuo is a herb of the genus Ziziphus in the family Popaceae. It is a commonly used Chinese medicine that enters the heart, spleen, lung and liver, and plays the role of moving qi and relieving pain, activating blood circulation and relieving blood stasis, and facilitating urination. Angelica dahurica belongs to the lung and stomach meridians and is mainly used for relieving pain, dispersing wind and cold, drying dampness and stopping bandages, eliminating swelling and draining pus. At present, Yuan Hu Pain Relief Pills are mainly used for headache, stomach pain, menstrual and abdominal pain, and dysmenorrhea. The general specification is 0.05g per pill, and each time you can take 20-30 pills orally, 3 times a day. When taking the medicine, you need to be guided by a doctor, and patients with dysmenorrhea are not suitable for taking this medicine, such as dysmenorrhea of deficiency. If the pain is not relieved by taking the drug, seek medical attention.