Zheng Yuan capsule each course of treatment a few days, depending on the person, can not be generalized, generally speaking 6-8 weeks for a course of treatment. Zheng Yuan Capsule is mainly composed of Epimedium, Scorched Astragalus, Raw Sun-dried Ginseng, Chasteberry, Turtle Powder, Turtle Powder and other medicines, which have the effect of benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach), replenishing the kidneys and filling in the vital essence (replenishing the kidney’s semen). Zhengyuan Capsule can be used for the treatment of symptoms such as fatigue (mental exhaustion, physical weakness), shortness of breath, lazy speech, loss of appetite, lumbar and spinal pain, weight loss, etc., caused by deficiency of kidney qi, and can also be used for people with the above symptoms of lung cancer, and can be used as an adjuvant drug for radiotherapy and chemotherapy of tumors, to improve the effect of chemotherapy, so as to improve the quality of survival of patients. The adverse reaction of the drug is occasional dry mouth after taking the drug, and the contraindications are not clear yet. It should be noted that people who have a deficiency of yin and fire (deficiency of yin and essence in the body and hyperactive fire) should be cautious in taking this drug. The clinical application of this product is widely used, so each course of a few days, according to different diseases, the severity of the disease, etc., can not be generalized, generally speaking, 6-8 weeks for a course of treatment. It is recommended that patients under the guidance of a traditional Chinese medicine practitioner to standardize the use of medication, not arbitrarily stop or extend the use of medication, so as not to affect the treatment of the disease.