There is some benefit in taking one capsule of Yunnan Baiyao in the morning and evening for patients with blood stasis and obstruction (blood not running and blocking the body), but it is not recommended to use this medicine for patients without indications. Yunnan Baiyao is a class of proprietary Chinese medicines, the composition of which is a national secret formula. It has the efficacy of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), subduing swelling and resolving pain (eliminating swelling and pain), and can be used clinically for the treatment of bruises, stagnant blood and pain, vomiting blood and blood in stools. Patients with blood stasis and obstruction are in line with the indications of this drug, and taking one capsule in the morning and evening is beneficial. However, patients who do not show signs of blood stasis are not recommended to use this medicine. Adverse reactions such as chest tightness, palpitations (rapid heartbeat, often accompanied by panic) and rash may occur with the use of this medicine. Pregnant women should not use this medicine. Patients who need to use this medicine should do so under the supervision of a doctor.