1) Check for diseases. For example, indigestion, diarrhea, and insufficient diet will all lead to lack of daily nutrition, eating for nothing, not absorbing, and being thin;

2) If there is no disease, do you not like sports? In this case, without proper exercise, the muscles in the corresponding parts will not grow. For example, if you don't go out, your legs won't form, and if you don't do housework, your arms won't form;

3) If your hands and feet are thick, it is an endocrine problem and there are too many hormones. If it is hyperthyroidism, there will also be problems with thick joints and irritability, which you can't control. This is also a disease. Let's go to the hospital to check the hormone level.

The above three points are all from the medical point of view to solve your body shape problem, which you usually don't pay much attention to. This is also an external manifestation of good health. Which part of your body needs conditioning?