Teenagers are unable to determine whether they have kidney deficiency on their own, and it is recommended that they consult a doctor to identify and classify the type of kidney deficiency they have. Kidney deficiency can be categorized into kidney yin deficiency, kidney yang deficiency, kidney qi deficiency, and kidney essence deficiency, etc. However, kidney deficiency can be easily confused with liver depression, dampness-heat and liver fire, etc. Therefore, adolescents should not decide on their own whether they have kidney deficiency. Therefore, adolescents are not able to determine on their own whether or not they are suffering from kidney deficiency. Kidney deficiency can be manifested in many ways, such as premature aging and forgetfulness, as well as lumbar and knee pain, weakness and reduced sexual function, and poor mood. If you have any symptoms, do not judge on your own, you need to go to the hospital as soon as possible, according to the specific condition of the doctor, to formulate an individualized diagnosis and treatment plan, so as to avoid delays in the condition.