The limit of crush or bend occurring at a needle tip is extended or the strength of a needle tip portion is improved without having a bad influence on operation performed by a medical doctor in a suture surgery. The medical suture needle (A) wherein the needle tip (1) to be thrust into a biomedical tissue is formed at the tip is characterized in that the dimension (d) of the needle tip (1) in the direction of the thickness of the material of the medical suture needle has a value not larger than 5% of the thickness (D) of the material of the medical suture needle.
