How can a fat person lose weight, only through weight loss. Weight loss will need to eat less, more exercise, avoid mouth and legs, especially not overeating.
In terms of eating, try not to eat greasy food, eat light. Eat less fat meat, eat less animal offal, drink less beer and so on. You can eat some vegetables and fruits and so on, lean meat and other foods that can lose weight.
Exercise, you can run, walk, dance, participate in some physical exercise, do not sit for a long time or do not exercise. Proper exercise is also good for weight loss.
Losing weight should be taken one step at a time, and don't be too anxious. You still need to eat when you should eat, don't starve. (Answers are for reference only)