Getting thinner after cardiac stenting may be related to postoperative dietary control, but pay attention to the wasting caused by drug reaction, and at the same time need to exclude the possibility of diabetes and other disease factors. 1. Dietary control: weight loss after stenting may be related to dietary control. After stenting, it is necessary to limit the intake of high-fat food, and some patients with stricter control may experience weight loss. 2. Drug reaction: weight loss after stenting should also be alert to the role of drugs, some drugs will have damage to the liver and kidney function, such as statin drugs, which may affect the function of digestion and absorption, and it is necessary to pay attention to strengthen the review of liver function. 3. Disease factors: coronary heart disease patients are prone to complications of diabetes, diabetic patients due to the discharge of urine sugar, can lead to increased consumption of body fat, manifested in body thinning, pay attention to the review of blood glucose. In addition, it may also be related to hyperthyroidism, the patient’s body metabolic rate increases, consumption accelerated, may also cause body wasting. After stenting, weakening should pay attention to find the cause, improve the relevant examination, and should be given treatment under the guidance of the physician.