Most of the long-term severe constipation is mainly functional constipation, generally need to pay attention to the following points: 1, more to combine work and rest, exercise, improve the function of the stomach and intestines, as far as possible to improve the lifestyle, to prevent overwork, prevent insomnia, worry about the situation. 2, pay attention to drink more water, to light food, do not eat fried, greasy food, eat more fresh vegetables, fruits, as far as possible to contain more dietary fiber food. 3, give drug symptomatic treatment, clinically commonly used are lactulose oral solution, bifidobacterium capsules, mosapride citrate capsule, promote gastrointestinal power. If the severe does not see relief, you can take oral compound polyethylene glycol electrolyte dispersion. If constipation is not relieved repeatedly, improvement of symptoms requires the administration of corkage or warm soapy water enemas. If the constipation is not relieved for a long time, it is better to improve the colonoscopy to further assist the diagnosis and treatment. If there are organic problems, symptomatic treatment by colonoscopy and, if necessary, surgical treatment should be given.