Step by step. First adjust the middle qi (spleen and stomach) to replenish qi and blood, and try Bazhen Pill or Shen Ling Baizhu Powder; You can try Guishao Dihuang Pill for nourishing kidney yin and clearing liver heat. When the body is tired and weak, the immunity is poor, and the cold is serious, you can occasionally tonify the spleen and kidney and use Guifu Dihuang Pill. Specifically, drugs should be used according to the dynamic changes of the body.