Because the use of drugs and the patient’s condition, physical and other factors, so the “Zheng Yuan capsule can be taken continuously” need to be considered comprehensively, can not be generalized. The capsule is composed of Epimedium, Radix et Rhizoma Ginseng, Radix Astragali, Tortoise Powder, Turtle Powder, Chasteberry, etc. It has the effect of benefiting the qi and strengthening the spleen, tonifying the kidneys and filling up the essence. Clinically, this drug can be used as adjuvant medicine for tumor radiotherapy and chemotherapy, and used for kidney qi deficiency syndrome, which includes symptoms such as fatigue (mental exhaustion, physical weakness), lack of energy and laziness (lack of strength, don’t want to talk), shortness of breath, less warmth of grain, lumbar and spinal pain, spontaneous sweating (involuntary sweating in the daytime, sweating aggravated with a little movement), and weight loss. It is used for lung cancer patients with the above symptoms. The drug may cause adverse reactions such as dry mouth, and should be used with caution for those with yin deficiency and fire exuberance.