Analysis of illness: Cardiac insufficiency is a type of coronary heart disease, which is common in middle-aged and elderly people, mainly coronary atherosclerosis. 1. Patients with hypertension and diabetes need active treatment, and if they have hyperlipidemia, they need simultaneous treatment. 2, low-dose aspirin can be taken for a long time; 3. Salvia miltiorrhiza, Xuesaitong, Ginkgo biloba and other drugs for promoting blood circulation and removing blood stasis can be selectively used; 4, symptomatic treatment, such as the use of musk Baoxin pills, indomethacin and so on. ; 5. Interventional therapy after coronary angiography is necessary and a reliable method to treat this disease.