1. Postoperative dietary arrangement In the early postoperative period, due to pharyngeal discomfort, it is appropriate to eat a liquid diet. After the recovery period, there is no special requirement for diet. If you need to do isotope treatment, avoid iodized salt, seafood and other iodine-containing foods as required. For patients with low calcium, it is recommended to give high calcium and low phosphorus foods such as green leafy vegetables and soy products. Limit foods high in phosphorus such as milk, lean meat, egg yolk and fish. The Air Force General Hospital General Surgery Department Wang Shilin 2. If you miss a dose, you should take a double dose until you make up for all the missed doses. ②Increase in winter and decrease in summer. ③Pay attention to sufficient time interval. 1 hour between with vitamins and tonic, 2 hours between with iron and calcium containing food or medicine, 4 hours between with milk and bean food. 12 hours between taking bilirubin or lipid-lowering resin. ④ Do not stop the medication blindly during pregnancy.