Pregnant women with a lot of small dots on the legs may be mosquito bites, you can apply eau de toilette, cool oil and other treatments, may be contact dermatitis, you can apply Dinaid cream, glycerine lotion and other treatments, but also may be the manifestation of peri-corneal keratosis pilaris, can be used locally to treat the urea ointment. 1. pregnant women in the environment of too many mosquitoes will be mosquito bites, pregnant women can be coated with eau de toilette or cool oil, can relieve the itching sensation, but also the use of mosquito nets to prevent mosquitoes, usually wear long pants. 2. If a pregnant woman’s legs come into contact with certain allergens, a contact rash may occur, you can use glycerine lotion or Dinaid cream to apply, do not scratch the local skin to prevent skin breakdown. 3. Pregnant women in pregnancy hormone levels will change, the symptoms of perifollicular keratosis aggravated become more obvious, you can use topical urea ointment to care. Note that the above drugs may appear itching, allergy, tingling and other adverse reactions, allergy patients should be used with caution, pregnant women as a result of special populations, the use of drugs are required to use under the guidance of a doctor to avoid self-medication.