There is no information available on garlic mashed as mud and applied to the cervical vertebrae to treat cervical spondylosis. Garlic mashed as mud for external use is mostly used to treat itchy skin or ringworm of the head, dorsal gangrene with swelling and headlessness, pinworm disease, hookworm disease and so on. And garlic used externally may cause skin redness, burning and even blistering. Cervical spondylosis can be used externally with Yunnan Baiyao cream and other drugs that have the effect of activating blood circulation and dissipating blood stasis (promoting blood circulation and eliminating blood stasis in the body), reducing swelling and relieving pain (eliminating swelling and pain), and dispelling wind and removing dampness (dispelling wind and dampness in the body). Note that pregnant women are prohibited, those who are allergic to adhesive tape and this product are prohibited, those who have broken skin and mucous membranes and pus are prohibited, and those who are allergic and have skin diseases are advised to use with caution. If diagnosed with cervical spondylosis, it is recommended to go to the regular hospital for treatment in time. If you need to use garlic externally, it is recommended to consult a professional doctor, do not blindly use the drug on your own.