Yuanhu Pain Relieving Tablets has the efficacy of regulating qi, relieving pain, etc. It can be used for headache and dystocia (pain in the area of coeruleus and ribs) caused by qi stagnation and blood stasis (blood stagnation due to the lack of qi), the contraindications of which are not clear yet. Yuanhu Pain Relieving Tablets is composed of Yanhuisuo vinegar, Angelica dahurica, etc. It has the efficacy of regulating qi, activating blood circulation and relieving pain. It is used for stomachache, dystocia, headache and dysmenorrhea caused by Qi stagnation and blood stasis. During the period of taking Yuanhu Pain Relieving Tablets, diet should be light, avoid alcohol and spicy, cold, greasy food; avoid anger, depression, keep a relaxed mood. If the symptoms are not relieved after 3 days of taking the medicine, patients should go to the hospital for consultation. It is recommended that patients read the instructions carefully before consuming Yuanhu Pain Relief Tablets to understand its related matters, and if necessary, also need to be under the guidance of a doctor to use reasonable medication.