There are many reasons for cracked heels, the most common of which is dryness, especially in the dry season or environment, where moisture is easily lost, resulting in dryness, roughness, and even cracks. In addition, cracked heels can also be associated with the following factors:
Thickening of the stratum corneum: Long-term friction or compression of the heel will cause the stratum corneum to thicken, making ** rough and easy to crack. Vitamin deficiency: Vitamin deficiency can lead to loss of elasticity and easy cracking. Disease effects: Some diseases such as diabetes, varicose veins of the lower limbs, etc. may lead to poor blood circulation, so that the heel ** is not nutritious and easy to crack. Bad lifestyle habits: Standing for long periods of time, walking too much, and improper shoes can all put pressure on the heels and lead to cracking. 
In response to the problem of cracked heels, the following measures can be taken:
Pay attention to moisturizing: Keep **moist, you can use moisturizer or emollient oil, and avoid** excessive dryness. Exfoliation: Regularly using a scrub or exfoliator to exfoliate can help improve roughness and cracking. Vitamin supplementation: Appropriate supplementation of vitamin A, vitamin E and other nutrients to enhance the elasticity. Diseases: Positive** diseases such as diabetes that can lead to cracking. Improve lifestyle habits: Avoid standing or walking for long periods of time, choose the right shoes, and reduce pressure on your heels. If the heel cracking is severe or accompanied by other symptoms, it is advisable to seek medical advice from a medical professional in a timely manner.