Herbs for stomach bloating have the same effect before and after meals, if you can tolerate it, take it half an hour before meals, if you have abdominal discomfort after consumption you can take it about 1 hour after meals. Consult a medical professional for details. Under normal circumstances, the treatment of gastric diseases of Chinese medicine, before and after meals are about the same effect. If oneself drink on an empty stomach before meals without any discomfort, you can drink before meals. But some people drink Chinese medicine on an empty stomach before meals will cause gastrointestinal discomfort, you can drink an hour after meals. You can’t drink it immediately after a meal because there is still food inside the gastrointestinal tract, and drinking Chinese medicine immediately will irritate the stomach and intestines, causing regurgitation and vomiting. In addition to the use of Chinese medicine to treat stomach bloating, it can also be used with acupuncture and other methods under the guidance of a doctor. Patients with discomfort are advised to consult a doctor in time to identify the cause of the disease and standardize the treatment.