The essence of the conditioning of insufficient cardiac blood supply belongs to the conditioning of coronary heart disease, mainly including the following points: 1, diet conditioning: the overall principle of four low and two high, low salt diet, no more than 6g of salt per day, low sugar, low fat, low calories, high fiber, high vitamin. Avoid overeating, eat less and more meals, fully digested, balanced nutrition; 2, weight control: body mass index more than 25 is overweight, more than 28 is obese; 3, appropriate exercise: type is not limited, 3-5 times a week, each time about 30 minutes, in the afternoon is appropriate, in order not to feel fatigue; 4, maintain an optimistic and stable mood: type A blood personality is more likely to get coronary heart disease, need to pay attention to.