An on-route transportations monitoring system for sending an emergency alert to a target terminal, comprising: a computer server, wherein the computer server comprises: a bus; a storage medium electronically connected to the bus and storing a set of instructions for sending emergency information; a processing engine electronically connected to the storage medium, wherein when executing the set of instructions, the processing engine is directed to: trigger a safe mode application by a safety mode identification information received from a first party and/or second party; initiate a transportation transaction between the first party and the second party through an online transportation service platform, the first party accessing the online transportation service platform via a first user terminal, the second party accessing the online transportation service platform via a second user terminal, wherein the first party is a passenger of a vehicle, the second party is a driver of the vehicle, and the passenger of the vehicle uses the first user terminal to input travel information; receive, from the first user terminal, an image of the vehicle taken by the first user terminal; generate a reminder upon receiving the image of the vehicle; and send the reminder to the second user terminal to remind the driver of the vehicle that the image of the vehicle has been taken and uploaded, such that the reminder is configured to remind the driver that the vehicle is monitored or is to be monitored; determine an occurrence of an emergency to the first party; and send an emergency alert including emergency information to a target terminal. a computer server, wherein the computer server comprises: a bus; a storage medium electronically connected to the bus and storing a set of instructions for sending emergency information; a processing engine electronically connected to the storage medium, wherein when executing the set of instructions, the processing engine is directed to: trigger a safe mode application by a safety mode identification information received from a first party and/or second party; initiate a transportation transaction between the first party and the second party through an online transportation service platform, the first party accessing the online transportation service platform via a first user terminal, the second party accessing the online transportation service platform via a second user terminal, wherein the first party is a passenger of a vehicle, the second party is a driver of the vehicle, and the passenger of the vehicle uses the first user terminal to input travel information; receive, from the first user terminal, an image of the vehicle taken by the first user terminal; generate a reminder upon receiving the image of the vehicle; and send the reminder to the second user terminal to remind the driver of the vehicle that the image of the vehicle has been taken and uploaded, such that the reminder is configured to remind the driver that the vehicle is monitored or is to be monitored; a bus; a storage medium electronically connected to the bus and storing a set of instructions for sending emergency information; a processing engine electronically connected to the storage medium, wherein when executing the set of instructions, the processing engine is directed to: trigger a safe mode application by a safety mode identification information received from a first party and/or second party; initiate a transportation transaction between the first party and the second party through an online transportation service platform, the first party accessing the online transportation service platform via a first user terminal, the second party accessing the online transportation service platform via a second user terminal, wherein the first party is a passenger of a vehicle, the second party is a driver of the vehicle, and the passenger of the vehicle uses the first user terminal to input travel information; receive, from the first user terminal, an image of the vehicle taken by the first user terminal; generate a reminder upon receiving the image of the vehicle; and send the reminder to the second user terminal to remind the driver of the vehicle that the image of the vehicle has been taken and uploaded, such that the reminder is configured to remind the driver that the vehicle is monitored or is to be monitored; trigger a safe mode application by a safety mode identification information received from a first party and/or second party; initiate a transportation transaction between the first party and the second party through an online transportation service platform, the first party accessing the online transportation service platform via a first user terminal, the second party accessing the online transportation service platform via a second user terminal, wherein the first party is a passenger of a vehicle, the second party is a driver of the vehicle, and the passenger of the vehicle uses the first user terminal to input travel information; receive, from the first user terminal, an image of the vehicle taken by the first user terminal; generate a reminder upon receiving the image of the vehicle; and send the reminder to the second user terminal to remind the driver of the vehicle that the image of the vehicle has been taken and uploaded, such that the reminder is configured to remind the driver that the vehicle is monitored or is to be monitored; determine an occurrence of an emergency to the first party; and send an emergency alert including emergency information to a target terminal.