Do aerobic exercise for ten minutes first, stretch your limbs and move your joints to avoid injury.

Judging from your current physique, practice push-ups, squats (without weight), sit-ups and hard pulling (practicing biceps with dumbbells). Don't be too heavy yet, and ensure the number of groups.

Push-ups and squats are the most basic and important for thin people, and they should be adhered to every day.

You warm up first, then do it, and see how much you can do while trying to keep your posture standard. Then take a two-minute break and do the second group. Three groups a day is enough. It's just right to feel hot after finishing, and it's excessive to feel exhausted, so we should reduce it as appropriate.

Go every other day, and the middle days are used for running to relieve fatigue.

We should overcome our fragile psychology and build up our self-confidence. Proper intensity and persistent practice for a period of time will definitely have an effect. I used to be thin, but now I am strong.

If you know nothing, ask the coach and the old bird. Don't play by yourself, lest you get twice the result with half the effort.

Eat more beef and mutton, chicken, fish and vegetables. It doesn't matter if you eat more pork so thin.

Although you were born with a disease, a 23-year-old can stand training completely. At first, you may feel weak and sore muscles. At this time, you should have a proper rest. After muscle training in the same position, you need to rest for 48 hours, but not more than 72 hours.

If it is difficult to carry out these trainings due to low strength, you can swim first. Swimming is also very effective for cardiopulmonary function and muscle exercise. But if you want to be really strong, a gym is a must.

The will must be tenacious. Will is the foundation of fitness. If you don't practice just because you are sore or out of breath, then you will never practice. However, if you try your best to persist and train scientifically, you will have a certain effect within two months and your health will be greatly improved after half a year. If you are quick, no one will say you are thin after one year.

Don't say that no matter how hard you practice, it's so boring. Men just want to challenge themselves. I used to wrestle with people in my class and the shortest one threw me straight. Now I am strong.