For most people, it is very troublesome to investigate the nutrients and calories of each meal. With digital tools, it is easier to calculate calories and record nutrition. For food recorded by users, diet monitoring websites and applications "know" relevant information, such as how many carbohydrates and fats are in biscuits. Some apps also allow users to take photos and upload their own food, and then automatically calculate calories.

In addition, compared with more traditional means, such as manual input of exercise or recording of calorie intake, some advantages of digital tools make users generally participate more actively. For example, some applications use eye-catching visual designs, such as colored circles, to indicate the number of steps completed in a day and remind people how close they are to achieving their goals. In other words, digital tools are very helpful to promote the setting and continuous completion of goals.

Matters needing attention in losing weight

The most important thing to pay attention to is healthy weight loss, resolutely put an end to dieting, lose weight under the condition of balanced diet, exercise should be carried out safely when physical strength allows, aerobic exercise should be combined with tolerable anaerobic exercise, cardiopulmonary function health assessment should be carried out before exercise, and appropriate exercise should be carried out if cardiopulmonary function is abnormal.

Some people choose high-intensity exercise, such as high-intensity and long-term running. For people with heavy weight, such exercise is very harmful to their knees. Because overweight puts a lot of pressure on joints, it not only fails to achieve a good weight loss effect, but also is a great loss to the body and knees.