When red bumps with itching appear on the legs, we must distinguish the causes of the above symptoms. First of all, if there is an allergic disease, such as the application of irritating cosmetics or medications, we must stop using the medication or cosmetics and actively treat them with anti-allergy and anti-inflammatory medications, which should be used after washing with water. In addition, red bumps on the legs with itching, but also can be considered mosquito bites. For mosquito bites, we must promptly remove the stimulation of the toxins left after the mosquito bite, and then you can apply some anti-inflammatory ointment to apply, while observing the condition of the local wound. In addition, for the red bumps and itching on the legs, there may also be due to mild sensitivity, such as due to excessive mental tension, fatigue, or local itching of the skin, excessive scratching, these may cause the above-mentioned itching, accompanied by red bumps symptoms.