Kidney qi deficiency can be improved by consuming some medicinal foods, such as yam and ginseng. Yam is the rhizome of Dioscorea spp. of the family Dioscoreaceae, with a sweet taste and flat nature, belonging to the spleen, lungs and kidneys meridians, which can replenish both qi and yin, and also consolidate semen and stop the band, which can replenish the lungs, spleens and kidneys, treating the deficiency of the spleen with little food and loose stools, the deficiency of lungs with coughing and asthma, and the deficiency of the kidneys with spermatorrhea and other illnesses. Ginseng is the root of ginseng of the genus Ginseng of the family Ginseng, with a sweet, slightly bitter flavor, slightly warm nature, belonging to the four meridians of the lungs, spleen, heart and kidneys, and it has the effect of tonifying vital energy, tonifying the kidneys, calming the spirit and benefiting the intellect. It can be used to treat the symptoms caused by deficiency of qi in the lungs, spleen, heart, kidney and other organs. Note that food can not replace the drug treatment, such as related symptoms, it is recommended to consult a doctor in a timely manner, standardized treatment, do not self-medication.