White blisters on the gums may be caused by diseases such as mouth ulcers and oral herpes, and medications can be used to relieve the symptoms. 1. Oral ulcers: oral ulcers are a common disease on the oral mucosa, referring to various factors leading to the formation of small and shallow ulcers on the tongue, lips, gums, soft palate and other oral mucosa, which can cause severe pain, affecting the patient’s eating, speaking, etc. If there are white blisters on the gums, you can use the rehabilitation of the new liquid, cotrimoxazole gargle solution and other medications for treatment. 2. Oral herpes: Oral herpes is usually caused by the herpes simplex virus, the most common symptoms are oral blisters, ulcers, white blisters on the gums, etc., you need to take acyclovir tablets, vasiclovir hydrochloride tablets, ganciclovir capsules and other medications under the guidance of a doctor for treatment. White blisters on the gums, the diet should be light, avoid spicy stimulation, fire food, avoid eating mutton, fried food, barbecue and so on. To ensure sufficient sleep, to maintain a good mood, eat more fresh vegetables and fruits.