A matsayin wani bangare na magungunan gargajiya na kasar Sin a fannin likitancin zamani da fasahar kere-kere, kayayyakin halittu suna taka muhimmiyar rawa wajen rigakafi da magance cututtuka, da kariya da inganta lafiyar jama'a.Kayayyakin halitta suna buƙatar matakai masu yawa na nazarin halittu, tsarkakewa da dabarun bincike don samun manufa.Tace ta jiki, tare da fa'idodin halitta, na iya ƙirƙirar aikin da ƙirƙira, tsari ne mai mahimmanci na samfuran halitta.
Kayayyakin halitta, tare da ƙananan ƙwayoyin cuta, ƙwayoyin cuta, gubobi na dabba da kyallen halitta a matsayin kayan farawa, suna da abubuwa da yawa waɗanda ba za a iya sarrafa su ba kamar yawancin tushe da hanyoyin samarwa.Adadin ƙazantattun halittun da aka bayyana sun yi girma da yawa kuma ba za a iya faɗi daidai ba.Adadin ƙazanta da yawa a cikin ɗanyen ruwa kawai za a iya sarrafa su ta abubuwan da aka ƙayyade a ma'aunin inganci.Yana da wahala a sarrafa sauran ƙazanta gabaɗaya, kuma ingantaccen sarrafawa shine tushen samar da mara kyau.