The invention relates to a long-sleeve shirt with good drapability and removable sleeves. The long-sleeve shirt comprises a long-sleeve shirt body (1), the sleeves (2) which are removably connected with the long-sleeve shirt body (1) are arranged on the long-sleeve shirt body (1), and the sleeves (2) and the long-sleeve shirt body (1) are in zipper connection or in snap-fastener connection, and are made of fabric. According to the weaving rule of the fabric, double-face warp knitting fabric of 1-0 / 5-6 is adopted, FDY84D / 36F polyester filament yarns and spandex yarns are adopted as base yarns, and 75D / 144F polyester low stretch yarns and spandex yarns are adopted as face yarns. On hot days, the long-sleeve shirt is used as a short-sleeve shirt by removing the sleeves of the long-sleeve shirt. On cold days, the function of the long-sleeve shirt is achieved by connecting the sleeves, changes can be carried out at any time according to needs, and versatility is improved. The long-sleeve shirt is not prone to being wrinkled, not prone to being contracted after being suspended and good in drapability.