First, check the product label. Product labels should include trademarks and factory names and addresses in Chinese; clothing models; ingredients, which mainly refer to the ingredients of clothing fabrics and linings. Garments with fillers should also indicate the ingredients and content of the fillers; and graphics with washing marks. Symbols and descriptions; product certificate, product execution standard number, product quality grade and other identifications. Then there is the identification of appearance quality. Whether there are obvious weaving defects in the main surface parts; whether there is color difference in the main seam parts; whether the pattern and down-smoothing of the clothing fabrics are consistent, whether the main parts of the clothing made of striped fabrics are symmetrical and aligned; pay attention to various accessories, The texture of the ingredients, such as whether the zipper is smooth, whether the buttons are firm, whether the four-button buckle is tight and appropriate, etc.; whether there is degumming, bubbling or leakage on the surface parts with adhesive lining, such as collars, lapels, bag flaps, and plackets. Glue and other phenomena. Next is the identification of sewing quality. Visually check whether the sewing lines of each part of the garment are straight, whether the seams are flat, whether the sleeves are even and smooth, whether the bag flap and mouth are flat, whether the bottom of the square hem is round and smooth; the main parts such as the collar and door The lapels, armholes and front part of the garment are areas that need to be paid special attention to; check whether the symmetrical parts of the garment are consistent, such as the symmetrical parts on the suit including the collar lapel, collar notch, placket, and the length of the left and right sleeves. The size of the cuffs, the length and width of the bag flap, the height and entry of the bag and the length of the dart are compared one by one.