The causes of low metabolism include hypothyroidism, improper daily behaviors, etc. For this condition, it can be treated by medication and daily care. 1. Hypothyroidism: Low metabolism can be caused when the secretion of thyroid hormone decreases, or when the utilization rate of thyroid hormone decreases. It can be treated with levothyroxine under the guidance of a doctor. It is important to note that since the dose of the drug is closely related to the condition, age, physical fitness, etc., it is important not to use the drug or increase or decrease the dose without authorization. 2. Improper daily behavior: In life, if there are dieting, staying up late, insufficient exercise and other bad habits, it is easy to lead to low metabolism. In order to avoid the impact on physical health, you should appropriate physical exercise, maintain a good routine. Secondly, you should eat a diet that is reasonably nutritious and provides your body with sufficient energy. Low metabolism means that the body’s calorie consumption is only used to maintain vital functions, which may lead to a decline in resistance, so it is important to pay attention to this and go to the hospital in time to find out the cause and treat the symptoms.