You can take Yunnan Baiyao as prescribed by the doctor for stomach bleeding, but Yunnan Baiyao alone may not be able to have a radical effect, so you need to go to the hospital as soon as possible for treatment. Yunnan Baiyao is a kind of proprietary Chinese medicine, generally can be used as oral hemostatic drugs, the efficacy of removing blood stasis to stop bleeding, blood circulation to relieve pain (through the elimination of blood stasis to relieve pain), detoxification and reduce swelling, can be used for bruises, blood stasis swelling and pain, vomiting blood, hemoptysis, hemorrhoids, leakage of blood (excessive menstrual flow or more than a few drops), ulcer bleeding, and infectious diseases of the skin. Yunnan Baiyao after taking may appear allergic rashes, chest tightness, panic, abdominal pain, nausea and vomiting, the whole body strange itching and other adverse reactions, pregnant women are prohibited, allergies and patients with a history of allergic reactions to medication should be used with caution. If the amount of bleeding is small, you can use Yunnan Baiyao to stop bleeding treatment, but if it is a case of hemorrhage, Yunnan Baiyao can not play a control and treatment effect, you need to go to the hospital as soon as possible for treatment.