The invention discloses a multifunctional fertilizer placement drill and a fertilizer placement mechanism. The multifunctional fertilizer placement drill comprises a fertilizer holding barrel, connecting hoses and the fertilizer placement mechanism, the fertilizer holding barrel includes a fertilizer holding cavity, one or two fertilizer discharge holes are arranged in the bottom of the fertilizerholding cavity, the two fertilizer discharge holes, if arranged, are respectively arranged on two sides of the bottom of the fertilizer holding barrel, each fertilizer discharge hole is provided withone connecting hose, one ends of the connection hoses are connected with the fertilizer discharge holes while the other ends are connected with the fertilizer placement mechanism, the fertilizer placement mechanism is used for throwing out fertilizer, inclined planes extending to the fertilizer discharge holes from top to bottom are arranged on the bottom of the fertilizer holding cavity, and a fertilizer inlet is arranged in the top of the fertilizer holding barrel. By the arrangement, manual grabbing of the fertilizer is not needed, users are protected, labor is further saved, and fertilizer throwing is more efficient; the fertilizer placement drill can be used by carrying on the back and is labor saving; the fertilizer placement drill can serve as a back basket and is multifunctional;in addition, the fertilizer can be filtered through a filter screen, clogging of fertilizer pieces can be avoided, convenience in use is achieved, and working efficiency is improved.