Lang Yixin is not a scam. Lang Yixin is a health care product of sour jujube kernel schizandra chinensis Poria capsule, the efficacy and effect is to improve sleep. Poria Cocos Capsule is a health food made from the extracts of four Chinese herbs: Jujubae, Schisandra, Poria, and Lily, of which Jujubae nourishes the heart and liver, Schisandra nourishes the heart and kidney, Poria strengthens the spleen and the kidney, and Lily nourishes the yin and moistens the lungs, so this medicine has the effect of clearing the heart and tranquilizing the mind, and improving sleeplessness and excessive dreaming. However, it should be noted that the specific effect of this product varies from person to person, and sour jujube kernel schisandra chinensis poria capsule is only a health food, although it has the effect of improving sleep, but it can not replace the medication to treat the disease. Diagnosed sleep disorder patients, still need to be under the guidance of a doctor to choose symptomatic drugs for treatment, do not dispose of their own.