Calf facing bone is clinically known as tibia, calf tibia area has a row of small bumps can be due to folliculitis, contact dermatitis, eczema and other factors, should go to the hospital in time to consult. 1. Folliculitis: mostly due to the calf local skin bacterial infection and other factors, resulting in localized follicle area inflammatory media infiltration, the formation of calf shin area rows of small bumps of symptoms. 2. Contact dermatitis: mostly caused by local skin contact with allergic or irritating substances, resulting in local microvascular expansion, inflammatory factors penetrate the skin surface, resulting in a row of small bumps on the shin area of the calf. 3. Eczema: mostly caused by the local skin of the calf moist and sweaty factors, resulting in the formation of localized pimples, which may be accompanied by itching, oozing and other symptoms, thus manifesting as a row of small bumps on the shin area of the calf. If the symptoms of a row of small bumps on the shin area of the calf, you should go to the hospital in time, according to the doctor’s diagnosis for treatment. In daily life, should pay attention to local skin clean and dry, avoid trauma, prevent inflammation aggravation.