The pain after breast augmentation by injecting Czech water molecules may be due to the inflammatory reaction at the pinhole and the swelling after injection, so the chest feels particularly painful. It may also be because the injected drug dose is too large, and the body can't completely dissolve in a short time, resulting in pain in the lump. It is suggested that beauty lovers choose the local plastic surgery department of Liwan District People's Hospital in Guangzhou to take it out, so as to ensure the postoperative effect and reduce the occurrence of adverse side effects.