Post-operative cardiac patients can eat fluids, semi-liquids, and highly nutritious foods to regulate their bodies. 1. Fluid food: Post-operative cardiac patients should mainly eat fluid food, such as rice soup, milk, eggdrop soup, light chicken soup, etc. for a short period of time after operation. This kind of food is easier to digest and absorb, and will not add burden to the patient’s body. 2. Semi-fluid food: With the slow recovery of the body, patients after cardiac surgery can change from fluids to semi-fluid food, such as rice porridge, millet porridge, vegetables and fruits porridge, minced meat porridge, egg custard, small wontons, etc. In addition, they can also eat soft food in moderation, which is easy to digest and assimilate. In addition, you can also eat a moderate amount of softer pasta, such as steamed buns, bean paste buns, cakes and so on. Helps to help patients recover after heart surgery. 3. High-nutrition food: patients after cardiac surgery can eat more high-nutrition food after recovery, such as chicken, fruits and vegetables, lean meat, beans, etc. These foods contain a variety of nutrients. These foods contain a variety of nutrients, which have a certain effect on improving the body’s resistance. To summarize, patients after cardiac surgery must mainly eat fluids and semi-fluids. Afterwards, patients can gradually add other nutritious foods according to the recovery of the body, avoiding spicy, cold, high-fat and alcohol and other stimulating foods, which may lead to poor prognosis. After cardiac surgery, patients should pay more attention to rest, avoid overwork within a short period of time, avoid staying up late for a long time, and take medication regularly according to the doctor’s instructions.