The old spontaneous sweating at night is mainly due to qi deficiency, yin deficiency, kidney deficiency, etc. Patients should clarify the cause and treat accordingly. Common causes and treatment methods 1. Qi deficiency: refers to generalized weakness, pale face, shortness of breath, weakness of limbs, dizziness, sweating when moving, whispering, etc. It refers to a series of pathological changes and symptoms caused by insufficient vital energy, mainly manifesting as night sweating, reduced resistance to disease and other symptoms, patients should promptly go to a Chinese hospital for evidence-based treatment, and can follow medical advice to use drugs such as Astragalus and American ginseng to relieve symptoms; 2. Yin deficiency: mainly due to a series of pathological changes and symptoms caused by the lack of yin, which cannot nourish and control yang, mainly manifesting clinically as nighttime heat in the hands and feet, afternoon hot flashes, night sweats, dry mouth and throat, and insomnia, etc. Patients can use Liu Wei Di Huang Wan, Zhi Bai Di Huang Wan and other drugs as prescribed by the doctor to relieve symptoms; 3. The kidney deficiency can lead to spontaneous sweating at night, which should be treated with medicines such as Jin Kui Kidney Qi Pill and Right Return Pill as prescribed by the doctor. The patient’s daily diet should not eat spicy and stimulating food, ensure sufficient sleep, do not stay up late, keep a relaxed mood and appropriate exercise, which can properly relieve the symptoms.