It doesn’t really matter what the difference is between the terms cyst and tumor. As far as these two are concerned, it is difficult to say that there is any difference between them because they intersect with each other. This is because there are benign tumors and malignant tumors, but cysts, no matter what type of cyst they are, fall under the category of tumors. Only the vast majority of cysts belong to the category of benign tumors, but there are very few cysts belong to malignant tumors, so the two are intersecting each other, there is no difference. For skin cysts, most of them are usually found in the subcutaneous cysts. Of course, if the surface of the cyst is smooth or has a certain degree of mobility, it is a benign tumor, but if the cyst is stationary and accompanied by peripheral infiltration, the cyst may be a malignant tumor. However, clinically speaking, most cysts are benign tumors.