Let me tell you something scientific. If I use drugs, I can't guarantee that there will be side effects and will affect my health. In fact, if you have time, hang the pole every day, then grab the pole, relax as much as possible, and then swing your legs up and down, which is a bit like a struggle, but you can't let go! There is also lacing. Stand up straight, with one leg back as far as possible, the sole of the foot on the ground, the back leg straight, the front leg bent, stand up straight, pull your arms back as far as possible, hold for 8- 12 seconds, and change legs again, about 10 group! Then, sit on the ground with your legs straight, bend forward and touch your toes with your hands for 30 seconds, about 10 group! There is also jumping, that is, touching the ceiling, running up, or touching branches! Back and forth, a total of * * * about fifty times! There is also skipping rope, twice a day, not too much, otherwise it will be counterproductive, but not high! Skipping rope for 30 minutes is enough, preferably 40 minutes, but it will be very tiring, twice a day! After that, relax your muscles, or the muscles on your calves will not grow tall! Be sure to hold yourself steady! Don't stretch the tendon too fast, or you will strain it! Also, I recommend playing basketball and badminton! And stretching, 50 times a day, stretching as much as possible! Swing from side to side when stretching, but be careful to strain your waist! Also, relax, don't be unhappy all day, and try to be happy! Also, run more! But not too much! 2 times in 3 days is enough! Finally, just do not do muscle training. Muscle training means lifting weights, lifting dumbbells and the like, and squatting to practice leg muscles. Don't do such a thing, it certainly won't grow tall! There will be a glass of milk in the morning and evening, eat more pig and chicken offal, eat more beef and seafood (shrimp, kelp and the like) and eat more coarse grains, steamed bread, corn and so on. In a word, it's useless to elaborate, what's important is persistence! Finally, don't forget that you can't go to bed as early as possible. If you can't go to bed early, you should take a nap sometime!