Cracked feet in summer may be associated with friction, dry skin on the feet, chronic eczema, keratosis pilaris and other causes. 1. Friction: If you often wear shoes with exposed foot parts in summer, when the exposed parts are rubbed by external forces, the skin in the area may be damaged and cracked feet may occur. 2. Dry skin on feet: if you take frequent baths in summer and often use alkaline shower gel, it may damage the skin; and it is hotter in summer, the moisture of the skin will evaporate a lot, if you do not supplement the moisture in time, it may cause dry skin and cracked feet. 3. Chronic eczema: eczema occurs when the skin of the feet is stimulated by various factors inside and outside the body, and develops into chronic eczema as time migrates, which is often manifested as thickened skin, roughness, cracks, and flaking. 4. Keratosis pilaris: due to fungal infection, keratosis pilaris is often manifested as thickening of the skin in the affected area, roughness, poor blood circulation, which may have cracked feet. As you can see, there are more reasons for cracked feet in summer, if the situation is very serious or there are other symptoms, you should consult a doctor to find out the cause, but also pay attention to cleanliness and hygiene, light diet, eat less spicy, stimulating food.