Lipoma is a common benign tumor that can occur in any area where there is fat. Some cases occur in the extremities, mainly under the skin, but also in the deep limbs and between the muscle bellies. Patients tend to be older and less common in children. Deep lipomas tend to grow along the muscles and can reach deep into the periosteum, but rarely invade adjacent bones. Lipomas are rarely malignant and can be easily removed surgically. They commonly occur clinically under the skin of the shoulder, back and buttocks and require surgery when they are large. It is more common, mostly in middle-aged people. 1.What are the main symptoms of lipoma? Lipoma varies in size, most of them are flat and round or lobulated with clear demarcation; those with indistinct boundary should be beware of the possibility of malignant lipoma. The tumor is soft and elastic, and some of them may have pseudo-volatility. The tumor does not adhere to the epidermis, the skin surface is completely normal, and the base is more extensive. When examining the tumor, the lobe pattern can be seen by pressing the base of the tumor. The skin may appear as “orange peel”. The development of tumor is very slow and most of them have no serious adverse effect on the body, and the malignant change is rare. 2.How to determine whether lipoma is benign or malignant? If the tumor grows faster, especially in a short period of time, it is likely to be malignant, but the change is mainly relative to the previous growth rate, there is no absolute value. 3.How to do if the lipoma is getting bigger and bigger? The main treatment method is surgery to remove the tumor, but there is no very effective medication, whether it is western medicine or Chinese medicine. If the tumor is not large, it can be left untreated. If the tumor is large and affects the aesthetics or symptoms, you can choose surgery to remove it. 4.What is the best way to treat lipoma? Lipoma usually does not require treatment, if it is small and not painful. If the size of lipoma is large, it can be removed by surgery. 5.Prevention of lipoma No alcohol and alcoholic beverages, regular diet, good breakfast and low cholesterol diet. 6.Typing of lipoma According to the number of lipoma, it can be divided into isolated lipoma and multiple lipoma. These tumors are usually found in the shoulders, back, buttocks, limbs, waist, subcutaneous abdomen and inner thighs, and head onset is also common. Lipomas located in subcutaneous tissues vary in size, most of them are flat and round or lobed with clear demarcation; those with unclear demarcation should be beware of the possibility of malignant lipoma. In terms of Chinese medicine, any lipoma is not terrible, it is caused by the necrosis of Qi and blood stagnation and stasis. It is caused by stagnation of Qi, blood, fluid, meridians and veins due to cold, damp and yin, or accumulation of Yang, heat, warmth and poison.