According to what you said, the performance is the deficiency of internal yang, and the most important deficiency of internal yang is the deficiency of spleen and kidney yang. Yang deficiency is internal cold, so there will be cold hands and feet.

Guiding opinions:

This situation can be adjusted by taking drugs that warm and tonify kidney yang, such as Guifu Dihuang Pill, Jinkui Shenqi Pill, Fuzi Lizhong Pill and Gui You Pill. You can soak your hands and feet with hot water every day. Eat more mutton, jujube and other foods. In the evening, you can soak your feet with safflower, angelica and dried ginger to achieve the effect of conditioning your whole body. You should exercise more and keep exercising every day.

1 Avoid fatigue, staying up late and catching a cold, and keep a good mood.

2. Maintain good living habits, exercise moderately, and enhance physical fitness.