There is a big difference in symptoms between male yang deficiency and yin deficiency. 1. Yang deficiency: male yang deficiency will show a variety of uncomfortable symptoms such as lumbar and knee soreness and weakness (a feeling of soreness and weakness in the waist and knees), hands and feet are not warm, urine is clear and long, diarrhea (diarrhea before dawn), impotence and premature ejaculation, and infertility of the man’s semen is cold and infertile. At this time can be appropriate application of nourishing kidney yang medication, clinically used drugs are Jin Gui Kidney Qi Pills, its adverse effects and contraindications are not known. 2. Yin deficiency: Yin deficiency in men will show a variety of uncomfortable symptoms such as lumbar and knee soreness and weakness (the feeling of lumbar and knee soreness and weakness), heartburn and heat (heat in the heart of the hands and feet, and self-consciousness of the heart and chest), hot flashes and night sweating (abnormal sweating after going to sleep, and waking up and stopping sweating), a red tongue with little moss, a fine pulse, bone vapor in the afternoon, and men with strong yang (penis does not go soft for a long time after erection, and semen spills out of the penis itself), such as easy to lift. At this time can be applied to nourish the kidney yin drug treatment, clinically commonly used drugs are six flavors of dihuang pill, its adverse effects and contraindications are not known. When men have a deficiency of yin and yang, they need to go to a regular hospital in a timely manner, under the guidance of the doctor to use medication, do not self-medication, so as not to cause serious adverse consequences.