Insufficient qi and blood will cause constipation, mostly seen in the elderly or the frail. Chinese medicine believes that constipation is caused by unfavorable conduction of the large intestine, gas and blood is the material foundation of the human body, gas has the function of promoting the physiological activities of the human organs, gas deficiency can not promote the transmission of dregs of the large intestine, resulting in gas deficiency constipation; Yin blood has the function of moisturizing the internal organs, blood deficiency is the intestinal loss of its moistening, resulting in blood deficiency constipation. Constipation with gas deficiency is mostly treated with astragalus, hemp, Chen Pi, atractylodes macrocephala, Radix et Rhizoma Ginseng; constipation with blood deficiency is mostly treated with Radix Angelicae Sinensis, Radix Rehmanniae Praeparatae, Radix et Rhizoma Pinelliae, Radix et Rhizoma Ginseng. Constipation need to go to the hospital in a timely manner, after the doctor diagnosed systematic treatment, individuals should not take their own medicine, so as not to cause adverse consequences, delay the condition.