Deficiency of yang qi usually leads to deficiency cold and weak qi and blood circulation, which can be treated with moxibustion or Chinese herbs. For example, moxibustion has the function of warming menstruation, dispersing cold, harmonizing qi and blood, etc. When there is a deficiency of yang qi, and the deficiency of cold grows internally, you can treat it by moxibustion of acupoints such as the foot sanli, qihai, guanyuan, and zhongkou. It can also be treated by taking medication, such as Angelica Si-Yi Tang and Radix Rehmanniae Pills. Danggui Siwei Tang, composed of angelica, cinnamon sticks, peony, fine Xin, etc., has the efficacy of warming the menstruation, dispersing cold, nourishing the blood and opening the veins. It is used for treating blood deficiency and cold syncope syndrome, which is characterized by syncope of cold in hands and feet, or pain in waist, femur, leg, foot, shoulder and arm. It is used for coldness in the spleen and stomach, cold pain in the epigastrium (feeling cold pain in the stomach and abdomen), vomiting and diarrhea, and lack of warmth in the hands and feet. This medicine should not be taken when one has a cold. If you feel unwell, it is recommended to go to a regular hospital for examination and timely treatment so as not to delay your condition.