There is no such thing as “what is the fastest way to tonify the kidneys”, but you can take Zuo Gui Pills, Yu Gui Pills and other Chinese medicines according to your condition. 1. Zuo Gui Wan consists of Radix Rehmanniae Praeparata, Radix Achyranthis Bidentatae, Semen Cuscutae, and has the effect of nourishing the kidneys and tonifying the yin. It can be used clinically for treating the symptoms of true yin deficiency, such as lumbar and knee soreness and weakness (a feeling of soreness and weakness in the waist and knees), night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), mental fatigue (mental exhaustion and physical weakness), and dry mouth and tongue. Adverse reactions are not clear, pregnant women and children are prohibited, avoid eating spicy and greasy food during the period of medication, quit smoking and alcohol. 2. Right Angelica Pill is composed of cinnamon, Radix Angelicae Sinensis, Radix Angelicae Sinensis, etc. Its efficacy is to warm and tonify the kidney yang (warming and replenishing the kidney yang qi), to fill the essence and stop ejaculation (to fill the solid essence and prevent ejaculation and spermatorrhea). Clinically, it can be used for the treatment of kidney yang deficiency (lack of yang qi of the kidneys), failure of vital fire (weakness of kidney yang of the organism, with reduced function of warming and promoting the operation of qi and blood) evidence, seen as cold and soreness of the waist and knees, lack of mental energy, fear of cold and fear of chills, impotence, spermatorrhea, and so on. Adverse reactions and contraindications are not clear. The above drugs need to be used under the guidance of a doctor.