Kaixelu is an oily liquid, generally not absorbed by the body, localized medication is more effective, basically no side effects. Mainly play a lubrication, laxative, laxative effect, can be used as acute constipation, there is the intention to discharge the first choice of drugs. Lubrication and laxative can first cut open the mouth of the Keselu tube, squeeze a drop of liquid lubrication Keselu tube wall, let the patient take the prone position, the Keselu tube wall will be squeezed into the anus 4-6cm or so, squeezed into the liquid about 20ml, let the patient to maintain the posture of immobility, about 10-15 minutes and then go to defecate, you can achieve a very good effect of defecation. In addition, Keselu clinically also used to prevent dry cracks, because it is oil can be rubbed hands and feet to prevent cracking and drying.