A body temperature of 35.5°C is generally normal. If you have a fever because of oral antipyretic drugs such as ibuprofen nimesulide, the body sweats a lot to take away the body heat may also lead to a low body temperature, then a body temperature of 35.5 ℃ needs to pay attention to keep warm, drink more warm water and then review the temperature. Also pay attention to the mental state, especially in children or elderly patients with underlying diseases such as diabetes, some diseases such as hypothyroidism, anemia, cancer, etc., may also cause hypothermia due to the consumption of the disease itself. Body temperature 35.5 ℃ may also be part of people with low basal body temperature and no discomfort, usually due to lack of exercise, physical weakness resulting in insufficient body heat production, poor blood circulation and caused by regular physical exercise to enhance the body’s resistance, increase nutrition can be appropriate more protein supplement.