The common hazards of colostomy include skin infection at the stoma, bleeding, more frequent bowel movements, the need for regular rehydration, and other adverse reactions, which can be improved through daily standardized care. 1. Skin infection at stoma: Generally, the excretion volume of stoma is large, and the wound is exposed to the air, not timely disinfection, incomplete change of medicine, easy to be infected, and even eczema, vesicles, etc., and the local skin also has ulcers, bleeding and other symptoms. You need to disinfect regularly and change the medication in time to prevent the emergence of infection. 2. Frequent stools: because the water is not absorbed after the stoma, resulting in frequent stools, and the amount is small. Regular rehydration is needed: the material discharged from the stoma is not fully absorbed, so it is necessary to regularly replenish such unabsorbed water as well as electrolytes. The stoma requires a common basic clinical treatment, and when various adverse conditions occur, it is necessary to choose the appropriate treatment under the guidance of the doctor to minimize the harm and ensure the prognosis.