is low. In addition, drugs on the body may inhibit microtubule structure. Levamisole and immune regulation and immune function of excitable. On Ascaris lumbricoides, hookworm, pinworm and Strongyloides stercoralis has better curative effect. As this product has high efficiency single dose, is suitable for group therapy. On Wuchereria bancrofti, Brugia malayi and Onchocerca volvulus microfilariae than adults and the activity of diethylcarbamazine is high, but the long-term effect is poor