The plan for you is cycling+equipment practice+diet for dinner+swimming.
1. Take cycling lessons at least five times a week (most effective). You should distribute it yourself. The effect of losing weight is not as good as riding, but it has a strong improvement on cardiopulmonary function and coordination ability.
2. You can practice in the fitness center at will, but you should ensure that your weight is about 20 times that of the group above 15.
3. The most important thing! Eat less at night If it is convenient, it is best to divide the food in a day into five meals.
Ok, keep practicing.