It is difficult to sink a nuclear submarine moving rapidly in the sea with traditional depth charges. However, due to the great progress of anti-submarine weapons, new means of attack have gradually emerged. However, today's anti-submarine warfare can only play a role with the close cooperation of surface anti-submarine ships, anti-submarine aircraft, submarines and land bases. The situation of individual anti-submarine weapon combat before World War II no longer exists. Anti-submarine attack weapons can be divided into "sinking type" and "tracking type"