There are many ways to make your arm thick and thin, such as adjusting diet, increasing exercise, surgical treatment, etc. You also need to consider whether it is edema and other conditions that cause it to look strong. 1. Adjust the diet: During the period of arm thickness and thinning, patients need to adjust the diet structure, avoid greasy, fried, high-calorie, high-fat food, you can eat more fiber-rich, low-fat, high-quality protein, fresh fruits and vegetables. 2. Increase exercise: Arm thickness is mainly due to the lack of exercise, resulting in the accumulation of local fat. Therefore, patients should increase exercise appropriately, such as jumping rope, lifting dumbbells, etc., are good choices. 3. Surgery: If arm thickness is more serious, you can also choose liposuction surgery if necessary to suck out the excess fat in the arm, so as to achieve the purpose of thinning. There are a lot of ways to slim down thick arms, patients need to keep exercising, adjusting good daily routine and diet, and if necessary, they can choose regular hospitals for consultation, and then decide whether to choose surgical treatment under the guidance of doctors.