Bowel obstruction take big Jianzhong Tang a few days effective need to be decided according to the individual situation, the symptoms of light people see the effect of fast, heavy people need a longer period of time, but 1 week of medication did not relieve or worsening of the symptoms should be timely consultation. Dajianzhong Tang has the efficacy of warming the middle and tonifying the deficiency, lowering the rebelliousness and relieving pain. It is used for treating severe pain in the epigastrium (abdomen) caused by weakening of the middle yang and the internalization of yin and cold. Symptoms of the heart and chest in the big cold pain, vomiting can not eat, cold in the abdomen, the upper rush of skin up, out of the head and feet, up and down the pain and can not be touched near the hands and feet cold syncope, pale tongue, white slippery moss, the pulse sinking and late. It should be used with caution for those with Yin deficiency in the body, and should not be applied to those with cold condensation and Qi stagnation. If intestinal obstruction occurs, it is recommended to seek immediate medical attention and follow the doctor’s instructions for medication.