Yes, white sugar cake is a collection of sugar, starch is polysaccharide, and the white sugar in it is disaccharide, which will only make you fat if you eat it often.

Sugar can make people fat. Because sugar is easily decomposed or absorbed in the body, it is the main source of human heat. Most foods contain sugar, which has ensured your body's needs. Excessive consumption of sweets can induce the pancreas to release a large amount of insulin and promote the conversion of glucose into fat. Most fat people have a habit of eating sweets. If you want to lose weight, try not to eat sweets. Middle school students had better not abstain from eating sweets, because sweets can enhance memory.