Adult women with a low fever of 37.2℃ for three months consider that there may be tuberculosis infection, other chronic infections, and so on, and it is not possible to completely exclude whether there is cancer fever, so it is necessary to go to the hospital in time for examination and treatment after a clear diagnosis. 1. Tuberculosis infection: common symptoms are low-grade fever, night sweats, malaise, etc. If it is pulmonary tuberculosis, it may be accompanied by coughing and sputum; intestinal tuberculosis may be accompanied by abdominal pain and diarrhea. Clearly for tuberculosis infection, need to carry out standardized anti-tuberculosis treatment, commonly used drugs are rifampicin, isoniazid, ethambutol, pyrazinamide and so on. 2. Other chronic infections: such as chronic pelvic inflammatory disease, cervicitis and other diseases, can lead to long-term low-grade fever, may be accompanied by lumbosacral discomfort, vaginal discharge increased and other symptoms. Levofloxacin, clindamycin, azithromycin and other drugs need to be given. 3. Cancer fever: some cancer patients may have low fever due to the absorption of necrotic tissues of tumor, which should be alerted and consult doctor in time. If cancerous lesions do exist, early surgical treatment and combined radiotherapy and chemotherapy can help improve the prognosis according to specific conditions. In conclusion, adult women with a low fever of 37.2 ℃ for three months need to seek medical attention first to clarify the cause of the disease, and treatment for the cause of the disease is the key.