The wound can be repaired in 2~3 days or at most 1 week after biopsy, and you only need to pay attention to diet and strengthen nutrition after the operation. Biopsy is the full name of biopsy histopathological examination, is through the cutting, clamping or puncture and other ways to take out a small piece of diseased tissue, under the microscope for pathological examination, clear lesions of the nature of the examination. The incision of this examination is generally small, usually there is only a small amount of bleeding, there may be slight pain after the operation, usually within 2~3 days to recover. Some patients who are old and weak, malnourished or have underlying diseases may take up to 1 week to recover after the biopsy. As these people have weaker immunity, the wound needs to be disinfected and treated with disinfectant solution such as iodophor regularly after the operation. After biopsy, patients should pay attention to their diet and strengthen nutrition to promote wound recovery. They can eat more protein-rich foods, such as eggs, lean meat, fish, etc., and should also supplement vitamin-rich fruits and vegetables, such as apples, bananas, asparagus and spinach.