The feeling of something crawling on your body can be caused by allergies due to mites, or it can be due to neuritis, etc. Generally mites are invisible to the naked eye and small in size, and there is no special sensation when they come into contact with the human body. However, if you are allergic, the mites may cause itching, discomfort or a feeling of foreign body sensation when they come into contact with the mucous membranes of the skin. It may also be caused by other reasons, such as infection, trauma, localized pressure, and nerve inflammation caused by metabolic diseases, nutritional deficiencies, and vascular diseases. There are sensory abnormalities such as ankylosis, hyperesthesia, and other symptoms of irritation. When there is a feeling of something crawling on the body, you should consult a doctor in time, follow the doctor’s instructions for further examination, clarify the cause under the doctor’s guidance, and carry out targeted treatment or therapy.