If the slight fracture of big toe is not very serious and the fracture line is good, it can not be immobilized by plaster, but it needs to be immobilized by other ways to prevent secondary injury. Slight fracture of big toe needs to be determined by imaging examination to determine the degree of injury, minor cases can be treated conservatively, through the manipulation of repositioning, can be fixed in plaster or splints and other ways of immobilization, restriction of activities, such as serious injury can be treated with surgical internal fixation. If the big toe is slightly fractured, it should be braked immediately, rest in bed, and elevate the affected limb, eat a light diet, and eat foods containing high protein in moderation. If necessary, calcium and vitamin D can be taken orally to promote the healing of the fracture. All of the above drugs should be taken under the guidance of professional physicians and pharmacists.