The invention discloses a noise-reducing and shock-absorbing solid tire and a preparation method thereof. Noise-reducing and shock-absorbing solid tires include a tire liner and tread rubber located on the outer circumference of the tire liner; the tire liner includes the following components: waste rubber, vulcanized reclaimed rubber, zinc oxide, stearic acid, accelerators, adhesives , shock-absorbing material; tread rubber includes the following components: waste rubber, zinc oxide, stearic acid, anti-aging agent, anti-fogging agent, Coumarone, noise-reducing material; the mass ratio of shock-absorbing material is 1:0.6‑0.9 : 0.3‑0.6 polyamide thermoplastic elastomer, SEBS thermoplastic elastomer and EPDM rubber; noise reduction materials include the following components: glass fiber, silicon carbide fiber, activated carbon fiber, expanded perlite, attapulgite and Acrylate emulsion; the noise-reducing and shock-absorbing solid tire of the present invention has an excellent shock-absorbing and noise-reducing effect, reduces the bumpy feeling and noise in the process of uneven ground formation, and enhances the advantages of user comfort.