Fear of cold in summer is related to deficiency of spleen and kidney yang (lack of yang energy in the kidneys), and can be treated by taking Radix Rehmanniae Pills or Gui Fu Di Huang Pills respectively. Spleen yang deficiency: Spleen yang deficiency and coldness in the middle jiao manifest as symptoms such as lack of warmth in the limbs, cold pain in the epigastrium (cold pain in the epigastrium and abdomen), loss of appetite, failure to digest grains (a large amount of undigested food in the stools), loose stools, and dysuria (unsmooth urination). To treat spleen yang deficiency, take Radix Rehmanniae Pills to warm the center and strengthen the spleen. Radix Rehmanniae Pill can be used for spleen and stomach deficiency (spleen and stomach weakness and coldness), cold pain in the epigastric region, vomiting and diarrhea, and lack of warmth in the hands and feet. Use with caution in pregnant women. Kidney Yang Deficiency: Kidney Yang deficiency, coldness in the lower jiao, manifesting as cold hands and feet, cold pain in the waist and knees, impotence and premature ejaculation, clear and long urine, loose stool (thin and unshaped feces), diarrhea and other symptoms. To treat kidney yang deficiency, Gui Fu Di Huang Wan can be taken to warm and tonify kidney yang (warm and replenish kidney yang). Gui Fu Di Huang Wan can be used for kidney yang deficiency, soreness and coldness of the waist and knees, swelling of the limbs, unfavorable or excessive urination, phlegm (a pathological product formed as a result of impaired metabolism of water), wheezing and coughing, and thirst. Adverse reactions or contraindications are not clear. People with the above symptoms should consult a doctor in time, and use the above drugs under the guidance of a professional physician to identify the symptoms, do not take on your own, so as not to cause damage to the organism.