Male back cold may be caused by yang deficiency, cold attack, qi and blood insufficiency and other reasons. Yang deficiency: if the patient’s body is not enough yang qi, yang deficiency, usually the internal organs will not be coordinated, the body’s function is reduced, so the body loses the warmth of the yang and ultimately caused by the back of the cold. Cold attack: If the patient’s body is attacked by cold, the cold may damage the yang energy, resulting in a decrease in the body’s yang energy, resulting in the symptoms of back cold. Insufficient qi and blood: If the patient has insufficient nutritional intake, weak spleen and stomach, or is overworked, it may also lead to insufficient qi and blood, resulting in the symptom of cold back, and it is recommended that the patient should avoid overwork and maintain a balanced nutritional regimen in the daytime. It is recommended that patients should pay attention to keep warm and avoid getting cold. If the symptoms of cold back are serious, it is necessary to consult a doctor in time to avoid delaying the condition.