If you want to get fat, there are two ways:
1. Pay attention to the rules of life. Early to bed and early to rise, eat on time. Don't smoke and drink less. Thin people have poor spleen and stomach function and can't stand tossing. If you have time to see Chinese medicine, Chinese medicine and acupuncture are very effective in restoring the spleen and stomach.
2. Strengthen anaerobic exercise, that is, equipment fitness. Equipment exercise is of great help to enhance physical fitness, resistance, appetite, gastrointestinal peristalsis and sleep quality. It also has a rigid meaning to your life style.
The items you can do are: pull-ups on the neck of the horizontal bar after practice. (Practice back and humerus)
The parallel bars are bent and stretched. (chest and arm exercises)
It would be perfect if you buy a set of combined dumbbells (adjustable weight) with your roommates in the dormitory to drive everyone to exercise together.