Omeprazole is a western drug and Yupingfeng is a proprietary Chinese medicine. If the indications of the above drugs are met at the same time, they can be used in combination under the guidance of a doctor. However, it is not recommended to take them together, so as to avoid discomfort caused by drug interactions. 1. Omeprazole: used for gastric ulcer, duodenal ulcer, stress ulcer, reflux esophagitis and Zuo-Ai syndrome (gastrinoma). It is contraindicated in those who are allergic to the product, those with severe renal insufficiency and infants. Omeprazole should not be combined with atazanavir. Adverse reactions are headache, diarrhea, nausea and so on. 2. Yubingfeng: It has the effect of benefiting qi and consolidating the surface and stopping sweating. It is used for spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement) caused by deficiency of the surface (weakness of the surface of the muscle leading to abnormal sweating out), malignant wind, whitening of the face (whiteness and lack of luster), or those who are susceptible to wind in a weak body. All of the above medications should be used under the guidance of a doctor, avoid self-medication.