The height of a person is not proportional to the length of his penis. Height is mainly related to genetics and growth hormone, but is also influenced by exercise and diet. Moderate physical activity during puberty is good for height growth, and people who consume adequate nutrition are taller than those who do not. Penis size and length are mainly related to genetics, androgen, nutrition and lifestyle habits. Penis size and length are affected by androgen levels during puberty. If androgen levels are affected by endocrine disorders or other diseases, it may lead to abnormal penis development. Insufficient nutritional intake during growth and development, poor lifestyle habits, obesity, etc. may also have an impact on the growth and development of the penis. Therefore, there is no correlation between height and penis size and length. The two are not proportional, and even if the height is the same, the size and length of the penis may be different. In order to prevent abnormal penile development during puberty, one should adopt good living habits, maintain balanced nutrition, avoid sleeping in a prone position that compresses the genitals, and consult a doctor if surgical treatment is needed for those who are circumcised.