Qi Jiguang has been fighting against the Japanese pirates in the southeast coast for more than ten years, which has wiped out the Japanese pirates who abused the coast for many years and ensured the safety of people's lives and property along the coast. Later, he fought against Mongolian tribes in the north for more than ten years, defending the security of the northern territory and promoting the peaceful development of the Mongolian and Han nationalities.
Qi Jiguang also wrote eighteen volumes of New Books on Ji Xiao and fourteen volumes of Practical Records of Military Training, as well as Zhi Zhi Tang Ji, which was reported to the imperial court in different historical periods.
At the same time, Qi Jiguang is an outstanding weapon expert and military engineer. He reformed and invented all kinds of fire weapons. The warships and chariots he built made the Ming army's waterway equipment superior to the enemy's; He creatively built a hollow enemy platform on the Great Wall, which can attack, retreat and defend. It is a distinctive military project.