In your case, you need to check whether there are gastrointestinal parasites, and you need to consider the possibility of diabetes and hyperthyroidism. Diabetes can be divided into type I and type II. Type I is caused by the destruction of islet β cells and the absolute lack of insulin. Type Ⅱ is mainly caused by insulin resistance. If it is diagnosed as diabetes, it is more likely to be type I. The etiology of hyperthyroidism is complicated, and the main symptoms are excessive drinking, excessive eating, excessive urination, emaciation and palpitation. I think it fits your symptoms better. It is recommended that you go to the internal medicine or endocrinology department of a regular hospital for medical treatment, to test the blood sugar and thyroxine levels, and to treat them in time after diagnosis. Please go to the hospital as soon as possible.