Squamous cell carcinoma is a type of skin malignant tumor with high malignancy, and the lesion can invade muscle and bone, and in serious cases, distant metastasis can occur. Early stage lesions can be cured completely with extended radical surgery, and some patients can be cured completely; late stage lesions have poor prognosis and can be life-threatening in serious cases. It is suggested that patients with inconspicuous nodules on the skin or skin breakouts that do not heal for a long time need to go to hospital for diagnosis as early as possible. Therefore, after discovering some symptoms of skin squamous cell carcinoma, it is better to go to hospital as soon as possible to improve the relevant examination, and then choose the targeted treatment according to the examination results.