Should bile tablets be taken before or after meals?

According to the instruction, Biliary Tablets should be taken after meals.
Biliary Ning Tablet is mainly composed of Rhubarb, Rhizoma Pinelliae, Green Peel, Radix et Rhizoma Pinelliae, Pericarpium Citri Reticulatae, Rhizoma Ulmoides and Hawthorn. It can relieve the liver and bile, clear heat and pass downward. It is used for the treatment of vague pain in the right upper abdomen caused by liver depression and stagnation of qi and dampness-heat not cleared, bloating and discomfort after eating, unappetizing eating, belching (belching), constipation, etc. The adverse effects of this product may cause diarrhea, diarrhea and constipation.
Adverse reactions to this product may cause increased frequency of stools and occasional mild diarrhea. Allergic to this product is prohibited. It should be noted that pregnant women and allergic individuals should be cautious. After taking this product. If the daily bowel movement increases to more than three times, the dosage should be reduced as appropriate.
Drugs should be used in a standardized manner under the guidance of a professional physician, and should not be taken on their own to avoid risks and delays.