By clinical standards, 37.4℃ is already in the low fever range and should be combined with one’s own condition and the presence of other symptoms to determine whether treatment is needed. In general, fever occurs in humans, often due to the invasion of pathogens in the body. 37.4℃ is a low fever, and if there is no other obvious discomfort, you can observe it first to determine whether it is a physiological high body temperature caused by exercise, emotional excitement, ovulation, etc. If it is not one of the above, accompanied by symptoms such as coughing, coughing, abdominal pain, bloating, headache, etc., there may indeed be a disease or infection, which can be observed first by physical cooling, and generally no antipyretic drugs are needed. Patients with fever of 37.4℃ should pay attention to rest and keep a light diet. If the body temperature continues to rise or other adverse symptoms appear, they should go to the hospital in time to clarify the cause of the fever through blood routine, chest X-ray and other related examinations, and target the treatment to avoid delaying the condition.