16-year-old boys kidney deficiency is divided into kidney qi deficiency, kidney yin deficiency and kidney yang deficiency, kidney qi deficiency manifested as waist and knee soreness (waist and knee soreness and weakness feeling), tiredness and weakness (tiredness and weakness), kidney yin deficiency manifested as spermatorrhea, etc., kidney yang deficiency manifested as cold (body cold) cold limbs, waist and knee soreness and cold. 1. Kidney qi deficiency: mainly manifested as fatigue (mental exhaustion, physical weakness), lack of concentration, memory loss, dizziness, tinnitus, frequent urination, pale red tongue, thin white moss, and thin pulse. 2. Kidney yin deficiency: mainly manifested as seminal emission, zygomatic redness and night sweating (abnormal sweating after going to sleep and stopping sweating after waking up), dry mouth and throat, five heart-quietness and heat (heat in the heart of the two hands and two feet, and self-consciousness of the heart and chest), soreness of the waist and knees, heartburn and insomnia, red tongue with little moss, or even no moss, and a fine pulse (the pulse is becoming narrower and finer and the rate is accelerated). 3. Kidney yang deficiency: mainly manifested as cold waist and knees, cold limbs (fear of cold, cold limbs), long and clear urine, body swelling, spermatorrhea, tongue pale fat, moss white, pulse is slow and weak. If the above symptoms occur, you should consult a doctor and follow medical advice.