Coronary heart disease should avoid eating fish with high cholesterol content such as squid and catfish. The most common cause of coronary heart disease is atherosclerosis of the coronary arteries, which requires avoiding high cholesterol foods such as fatty meats, animal offal, fried foods and other high-fat foods on a daily basis. At the same time, fish is rich in protein and is a high quality food. However, the cholesterol content of some fish is high, such as catfish, squid, etc., so these fish should be avoided, and you can choose low-fat crucian carp, sea fish and so on. Meanwhile, people with coronary heart disease can choose plant protein-rich foods, such as soybeans and their products, grains and vegetables rich in dietary fiber, such as tomatoes, and vegetables and fruits rich in vitamins and trace elements, such as strawberries and cucumbers. In daily life, choose steaming, boiling and other cooking methods, avoid deep-frying, stir-frying, deep-frying and other heavy oil methods, and at the same time in daily life need to carry out physical exercise, quit smoking and drinking, pay attention to rest, to ensure good health. If there is any discomfort, it is recommended to go to the hospital for treatment in a timely manner.