Functional constipation is divided into 3 types, if it is the outlet obstruction type and mixed type is basically treated with biofeedback, sometimes supplemented with laxative medication. In the case of slow transmission constipation, medication is used, mainly laxative and motivational, and sometimes biofeedback therapy is also effective. In addition to these, patients will be given some advice on lifestyle, such as climbing, skipping rope, etc. Of course, different treatment methods are adopted according to different patients.