Frequently recurrent nephrotic syndrome is a common type of nephrotic syndrome in children. Children have a physique of premature yin and yang, and premature yang is vulnerable to damage. The use of hormones or immunosuppressants is easy to damage children's yang qi, resulting in the syndromes of internal cold manifestation due to yang deficiency, and of floating of yang in a deficiency condition. Therefore, the balance of yin and yang can be adjusted based on the theory of “yin⁃yang ontological structure” to make yang deficiency floating outside return to its normal position. In addition, based on the method of warming kidney to strengthen yang and leading fire to its origin, modified Qianyang Fengsui Pills can be used to restore the yin⁃yang ontological structure of “internal yang and external yin” in the human body, so as to achieve the balance of yin and yang, and the disease will heal itself.

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