Plantar warts are skin growths on the foot and plantar area caused by human papillomavirus infection. If not treated in time, they may grow more and more, and can be relieved by salicylic acid preparations, interferon gel, cryotherapy and laser treatment in cooperation with the doctor. 1. Salicylic acid preparation: after the plantar warts grow more and more, you can choose to use salicylic acid preparation coating, through promoting epidermal exfoliation, to play its therapeutic role, you need to continue to treat, standardize the use of medication in order to achieve the therapeutic effect. 2. interferon gel: through the recombinant human interferon gel coating, can play a role in inhibiting the proliferation of viruses and regulate the role of human immunity, reduce the metatarsal warts more and more and the risk of recurrence. 3. Freezing treatment: this is also a common method of plantar warts, through the liquid nitrogen freezing, prompting the local warts necrosis and shedding. 4. laser treatment: through the pulsed dye laser, high temperature burns the small blood vessels of the skin lesions, prompting its tissue necrosis and shedding. If you are diagnosed with plantar warts, it is recommended that you seek early medical attention and standardize your treatment under the guidance of your doctor to reduce the adverse effects of the disease. Keep the affected area clean and dry to avoid warts spreading in themselves or infecting others.