A temperature of 37.2°C in the afternoon may be physiologically elevated, but it may also be a low afternoon fever to be alert to tuberculosis. 1. Physiological elevation: the general afternoon temperature will be higher than the morning, physiological elevation generally do not have any discomfort. 2. Pathologic elevation: such as tuberculosis, there will be discomfort. Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis, and pulmonary tuberculosis is the most common. The most common clinical symptoms are prolonged low-grade fever or afternoon hot flashes, night sweats, emaciation, and hemoptysis in about 1/3 of patients. Due to the side effects of anti-tuberculosis drugs such as rifampicin, patients’ poor compliance can easily lead to drug resistance, thus increasing the difficulty of treatment. Tuberculosis type is more, must go to specific, professional hospitals for diagnosis and treatment, under the guidance of professional physicians to choose the appropriate drugs, must adhere to the treatment must not be infected with the symptoms of relief on the unauthorized cessation of medication, week after week, the body will appear drug-resistant bacteria to increase the burden of treatment. Regular liver and kidney function tests should be carried out during the period of medication. A temperature of 37.2 ℃ in the afternoon may also be other diseases, such as long-term so difficult to relieve, or other discomforts, should consult a doctor in time.