Rectal cancer is one of the common malignant tumors in China, and many patients with low rectal cancer will be left with a colostomy in the abdominal wall after undergoing radical surgery. At present, there are nearly one million patients with stoma in China, and about 100,000 new patients with stoma are added every year. Colostomy surgery has an important role in the treatment of rectal cancer and is often essential. However, because colostomy changes the physiological process of intestinal excretion and brings many effects to patients’ spirit and daily life, colostomy becomes one of the most tangled and even painful things for many rectal cancer patients. Therefore, correct understanding of colostomy and knowledge of colostomy care is particularly important for patients and family members of colostomy. The first is psychological care. As patients themselves, they should try to come out from the shadow of the disease and have confidence in themselves. Colostomy is the price we pay to overcome the disease, and this price is very valuable. It is the colostomy that makes the success of the surgery guaranteed and makes it possible to have health again. In fact, colostomates have formed a large group in our country and the majority of them are able to live and work as healthy people. As long as we adjust our mindset, accept the reality of colostomy, and look at colostomy optimistically, we will definitely have a sunny tomorrow. As the patient’s family, especially the patient’s spouse, the role of this time is very important, from the family’s love, warmth, understanding and care for the patient is irreplaceable. Family members should understand the psychological pain and pressure caused by colostomy to patients, understand the emotional changes brought about by this pressure, give more comfort, support and encouragement to patients, maintain a good mood in front of patients, infect patients with a positive, optimistic and healthy attitude towards life, and help patients get rid of the negative effects of stoma as soon as possible. The second is the care of the skin around the colostomy. The skin around the colostomy needs special care because it has to bear the stimulation of the stoma bag and fecal and intestinal secretions.? The excrement in the stoma bag should be dumped in time to reduce the stimulation of the stoma bag on the skin such as pulling and pressing; the stoma bag should be replaced in time to prevent the contaminated stoma bag from contacting with the skin for a long time, especially the dirt is easy to accumulate in the gap between the stoma bag and the skin, which should be cleaned in time; abnormal changes of the skin should be found and treated in time, and the skin around the stoma should be observed frequently for redness, swelling, erosion, oozing and other The abnormal phenomenon, timely treatment, under the guidance of the doctor local application of drug therapy. The third is to correctly master the method of changing the stoma bag. When replacing the ostomy bag, gently and carefully remove the old ostomy bag, using cotton or clean soft cloth or soft toilet paper, gently wipe and clean the pollutants on the skin around the stoma, do not rub hard, not to use the hard texture of the paper wipe. Allow the skin to dry and then apply skin protection products as needed. Then measure the size of the stoma and cut the opening of the adhesive plate to a suitable size, so that the edge of the opening is about 2mm away from the stoma mucosa. Place the adhesive plate firmly on the skin around the stoma and make sure it is firmly attached. If you use stoma aids you should read the product instructions carefully before use, and if you use anti-leak cream you should press the sump for 15-20 minutes. Reusable stoma pouches should be washed and dried in a timely manner with neutral detergent and water, and left to dry. Colostomy care is very important, proper care can significantly reduce the various complications caused by the stoma and improve the quality of life of patients. At present, there are more and more professionally trained ostomates specializing in the guidance and service of stoma patients, and there are also some old patients who have undergone stoma surgery for several years, have good experience and experience in stoma care, have a high level of thinking, and are willing to help other stoma patients, and they actively participate in helping stoma patients as “stoma visitors”. They actively join in helping stoma patients as “stoma visitors”, and they provide more valuable professional help to stoma patients. Therefore, stoma patients should be confident that with the care of society and their families, and with the help of medical staff, we will have a better life!