Cracks on one hand in spring may be related to weather reasons, ringworm, chronic eczema and other reasons. 1. Weather reasons: due to the relatively windy and dry climate in the spring, it is easy to cause the skin to lose water, and the phenomenon of cracks on the hand may occur. 2. Ringworm: when suffering from ringworm, the lesions will be dry, keratin is obviously thickened, the surface is rough and flaky, the texture is deepened, and the symptom of cracks may appear. 3. Chronic eczema: If eczema recurs, tinea versicolor may appear, which can thicken the stratum corneum, and cracks may also appear. It is recommended that those who have cracks on one hand in the spring go to a regular hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the condition.