Kidney deficiency tonic can start from tonifying kidney yin, tonifying kidney yang, etc., such as kidney yin deficiency can take Zuo Gui Wan, kidney yang deficiency can take Right Gui Wan. However, the specific medication should be decided by the doctor according to the patient’s condition. Kidney Yin deficiency: symptoms include lumbago, seminal emission, dizziness, tinnitus, dry mouth, sore throat, zygomatic redness (reddish color of cheeks and zygomatic bones), and so on. Zuo Gui Wan can be used. Pregnant women should not take Zuo Gui Wan, and Zuo Gui Wan is forbidden for children. Kidney Yang deficiency: symptoms such as lumbar and knee soreness and weakness (the feeling of lumbar and knee soreness and weakness), impotence, fear of cold limbs (fear of cold, cold limbs), diarrhea (diarrhea before dawn), etc., can be used with Zuo Gui Wan. Clinicians should be consulted for the tonification of kidney deficiency, and should not use drugs blindly to avoid aggravating the condition.